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Finding the Fourth Proportional to 71,337.76, 106,948.26 and 26,939.32

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Solution

The fourth proportional to 71,337.76, 106,948.26 and 26,939.32 is: 40,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337.76 : 106,948.26 = 26,939.32 : x
  2. Step 2: Convert to fraction form
    71,337.76/106,948.26 = 26,939.32/x
  3. Step 3: Cross multiply
    71,337.76x = 106,948.26 × 26,939.32
  4. Step 4: Simplify right side
    71,337.76x = 2,881,113,399.58
  5. Step 5: Solve for x
    x = 2,881,113,399.58/71,337.76
  6. Step 6: Final answer
    x = 40,386.93

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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.