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Finding the Fourth Proportional to 89,862.40, 134,809.80 and 37,277.20

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Solution

The fourth proportional to 89,862.40, 134,809.80 and 37,277.20 is: 55,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.40 : 134,809.80 = 37,277.20 : x
  2. Step 2: Convert to fraction form
    89,862.40/134,809.80 = 37,277.20/x
  3. Step 3: Cross multiply
    89,862.40x = 134,809.80 × 37,277.20
  4. Step 4: Simplify right side
    89,862.40x = 5,025,331,876.56
  5. Step 5: Solve for x
    x = 5,025,331,876.56/89,862.40
  6. Step 6: Final answer
    x = 55,922.52

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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.