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Finding the Fourth Proportional to 107,077.52, 147,766.50 and 59,330.75

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Solution

The fourth proportional to 107,077.52, 147,766.50 and 59,330.75 is: 81,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,077.52 : 147,766.50 = 59,330.75 : x
  2. Step 2: Convert to fraction form
    107,077.52/147,766.50 = 59,330.75/x
  3. Step 3: Cross multiply
    107,077.52x = 147,766.50 × 59,330.75
  4. Step 4: Simplify right side
    107,077.52x = 8,767,097,269.88
  5. Step 5: Solve for x
    x = 8,767,097,269.88/107,077.52
  6. Step 6: Final answer
    x = 81,876.17

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1.5x scale

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.