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Finding the Fourth Proportional to 172,232.40, 258,354.43 and 59,913.59

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Solution

The fourth proportional to 172,232.40, 258,354.43 and 59,913.59 is: 89,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,232.40 : 258,354.43 = 59,913.59 : x
  2. Step 2: Convert to fraction form
    172,232.40/258,354.43 = 59,913.59/x
  3. Step 3: Cross multiply
    172,232.40x = 258,354.43 × 59,913.59
  4. Step 4: Simplify right side
    172,232.40x = 15,478,941,070.76
  5. Step 5: Solve for x
    x = 15,478,941,070.76/172,232.40
  6. Step 6: Final answer
    x = 89,872.41

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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.