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Finding the Fourth Proportional to 156,862.50, 235,397.46 and 73,762.98

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Solution

The fourth proportional to 156,862.50, 235,397.46 and 73,762.98 is: 110,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,862.50 : 235,397.46 = 73,762.98 : x
  2. Step 2: Convert to fraction form
    156,862.50/235,397.46 = 73,762.98/x
  3. Step 3: Cross multiply
    156,862.50x = 235,397.46 × 73,762.98
  4. Step 4: Simplify right side
    156,862.50x = 17,363,618,134.03
  5. Step 5: Solve for x
    x = 17,363,618,134.03/156,862.50
  6. Step 6: Final answer
    x = 110,693.24

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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.