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Finding the Fourth Proportional to 94,503.60, 130,414.32 and 52,061.76

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Solution

The fourth proportional to 94,503.60, 130,414.32 and 52,061.76 is: 71,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,503.60 : 130,414.32 = 52,061.76 : x
  2. Step 2: Convert to fraction form
    94,503.60/130,414.32 = 52,061.76/x
  3. Step 3: Cross multiply
    94,503.60x = 130,414.32 × 52,061.76
  4. Step 4: Simplify right side
    94,503.60x = 6,789,599,028.40
  5. Step 5: Solve for x
    x = 6,789,599,028.40/94,503.60
  6. Step 6: Final answer
    x = 71,844.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.