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Finding the Fourth Proportional to 169,084.71, 253,631.17 and 56,768.59

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Solution

The fourth proportional to 169,084.71, 253,631.17 and 56,768.59 is: 85,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,084.71 : 253,631.17 = 56,768.59 : x
  2. Step 2: Convert to fraction form
    169,084.71/253,631.17 = 56,768.59/x
  3. Step 3: Cross multiply
    169,084.71x = 253,631.17 × 56,768.59
  4. Step 4: Simplify right side
    169,084.71x = 14,398,283,969.63
  5. Step 5: Solve for x
    x = 14,398,283,969.63/169,084.71
  6. Step 6: Final answer
    x = 85,154.26

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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.