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Finding the Fourth Proportional to 104,976,140.40, 157,464,210.69 and 104,976,140.40

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Solution

The fourth proportional to 104,976,140.40, 157,464,210.69 and 104,976,140.40 is: 157,464,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,140.40 : 157,464,210.69 = 104,976,140.40 : x
  2. Step 2: Convert to fraction form
    104,976,140.40/157,464,210.69 = 104,976,140.40/x
  3. Step 3: Cross multiply
    104,976,140.40x = 157,464,210.69 × 104,976,140.40
  4. Step 4: Simplify right side
    104,976,140.40x = 16,529,985,089,368,622
  5. Step 5: Solve for x
    x = 16,529,985,089,368,622/104,976,140.40
  6. Step 6: Final answer
    x = 157,464,210.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.