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Finding the Fourth Proportional to 355,695.48, 533,727.27 and 156,156.03

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Solution

The fourth proportional to 355,695.48, 533,727.27 and 156,156.03 is: 234,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,695.48 : 533,727.27 = 156,156.03 : x
  2. Step 2: Convert to fraction form
    355,695.48/533,727.27 = 156,156.03/x
  3. Step 3: Cross multiply
    355,695.48x = 533,727.27 × 156,156.03
  4. Step 4: Simplify right side
    355,695.48x = 83,344,731,585.94
  5. Step 5: Solve for x
    x = 83,344,731,585.94/355,695.48
  6. Step 6: Final answer
    x = 234,314.85

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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.