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Finding the Fourth Proportional to 169,701.18, 253,311.20 and 157,366.14

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Solution

The fourth proportional to 169,701.18, 253,311.20 and 157,366.14 is: 234,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,701.18 : 253,311.20 = 157,366.14 : x
  2. Step 2: Convert to fraction form
    169,701.18/253,311.20 = 157,366.14/x
  3. Step 3: Cross multiply
    169,701.18x = 253,311.20 × 157,366.14
  4. Step 4: Simplify right side
    169,701.18x = 39,862,604,975.94
  5. Step 5: Solve for x
    x = 39,862,604,975.94/169,701.18
  6. Step 6: Final answer
    x = 234,898.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.