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Finding the Fourth Proportional to 113,059.41, 169,592.76 and 56,868.87

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Solution

The fourth proportional to 113,059.41, 169,592.76 and 56,868.87 is: 85,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,059.41 : 169,592.76 = 56,868.87 : x
  2. Step 2: Convert to fraction form
    113,059.41/169,592.76 = 56,868.87/x
  3. Step 3: Cross multiply
    113,059.41x = 169,592.76 × 56,868.87
  4. Step 4: Simplify right side
    113,059.41x = 9,644,548,621.38
  5. Step 5: Solve for x
    x = 9,644,548,621.38/113,059.41
  6. Step 6: Final answer
    x = 85,305.14

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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.