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Finding the Fourth Proportional to 74,371.56, 111,557.56 and 52,283.76

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Solution

The fourth proportional to 74,371.56, 111,557.56 and 52,283.76 is: 78,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,371.56 : 111,557.56 = 52,283.76 : x
  2. Step 2: Convert to fraction form
    74,371.56/111,557.56 = 52,283.76/x
  3. Step 3: Cross multiply
    74,371.56x = 111,557.56 × 52,283.76
  4. Step 4: Simplify right side
    74,371.56x = 5,832,648,693.23
  5. Step 5: Solve for x
    x = 5,832,648,693.23/74,371.56
  6. Step 6: Final answer
    x = 78,425.79

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1.5x scale

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.