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Finding the Fourth Proportional to 173,728.63, 260,595.69 and 68,546.69

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Solution

The fourth proportional to 173,728.63, 260,595.69 and 68,546.69 is: 102,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728.63 : 260,595.69 = 68,546.69 : x
  2. Step 2: Convert to fraction form
    173,728.63/260,595.69 = 68,546.69/x
  3. Step 3: Cross multiply
    173,728.63x = 260,595.69 × 68,546.69
  4. Step 4: Simplify right side
    173,728.63x = 17,862,971,977.77
  5. Step 5: Solve for x
    x = 17,862,971,977.77/173,728.63
  6. Step 6: Final answer
    x = 102,821.12

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1.5x scale

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.