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Finding the Fourth Proportional to 435,762.54, 653,644.32 and 136,244.70

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Solution

The fourth proportional to 435,762.54, 653,644.32 and 136,244.70 is: 204,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,762.54 : 653,644.32 = 136,244.70 : x
  2. Step 2: Convert to fraction form
    435,762.54/653,644.32 = 136,244.70/x
  3. Step 3: Cross multiply
    435,762.54x = 653,644.32 × 136,244.70
  4. Step 4: Simplify right side
    435,762.54x = 89,055,574,285.10
  5. Step 5: Solve for x
    x = 89,055,574,285.10/435,762.54
  6. Step 6: Final answer
    x = 204,367.21

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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.