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Finding the Fourth Proportional to 369,385.60, 554,163.99 and 116,691.16

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Solution

The fourth proportional to 369,385.60, 554,163.99 and 116,691.16 is: 175,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,385.60 : 554,163.99 = 116,691.16 : x
  2. Step 2: Convert to fraction form
    369,385.60/554,163.99 = 116,691.16/x
  3. Step 3: Cross multiply
    369,385.60x = 554,163.99 × 116,691.16
  4. Step 4: Simplify right side
    369,385.60x = 64,666,038,823.33
  5. Step 5: Solve for x
    x = 64,666,038,823.33/369,385.60
  6. Step 6: Final answer
    x = 175,063.78

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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.