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Finding the Fourth Proportional to 101,925,686.40, 143,099,068.80 and 101,925,686.40

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Solution

The fourth proportional to 101,925,686.40, 143,099,068.80 and 101,925,686.40 is: 143,099,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925,686.40 : 143,099,068.80 = 101,925,686.40 : x
  2. Step 2: Convert to fraction form
    101,925,686.40/143,099,068.80 = 101,925,686.40/x
  3. Step 3: Cross multiply
    101,925,686.40x = 143,099,068.80 × 101,925,686.40
  4. Step 4: Simplify right side
    101,925,686.40x = 14,585,470,810,640,826
  5. Step 5: Solve for x
    x = 14,585,470,810,640,826/101,925,686.40
  6. Step 6: Final answer
    x = 143,099,068.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.