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Finding the Fourth Proportional to 169,061.94, 253,593 and 137,434.32

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Solution

The fourth proportional to 169,061.94, 253,593 and 137,434.32 is: 206,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,061.94 : 253,593 = 137,434.32 : x
  2. Step 2: Convert to fraction form
    169,061.94/253,593 = 137,434.32/x
  3. Step 3: Cross multiply
    169,061.94x = 253,593 × 137,434.32
  4. Step 4: Simplify right side
    169,061.94x = 34,852,381,511.76
  5. Step 5: Solve for x
    x = 34,852,381,511.76/169,061.94
  6. Step 6: Final answer
    x = 206,151.55

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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.