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Finding the Fourth Proportional to 373,005.71, 559,564.14 and 133,100.90

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Solution

The fourth proportional to 373,005.71, 559,564.14 and 133,100.90 is: 199,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,005.71 : 559,564.14 = 133,100.90 : x
  2. Step 2: Convert to fraction form
    373,005.71/559,564.14 = 133,100.90/x
  3. Step 3: Cross multiply
    373,005.71x = 559,564.14 × 133,100.90
  4. Step 4: Simplify right side
    373,005.71x = 74,478,490,641.73
  5. Step 5: Solve for x
    x = 74,478,490,641.73/373,005.71
  6. Step 6: Final answer
    x = 199,671.18

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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.