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Finding the Fourth Proportional to 59,273.20, 88,909.80 and 31,182.40

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Solution

The fourth proportional to 59,273.20, 88,909.80 and 31,182.40 is: 46,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,273.20 : 88,909.80 = 31,182.40 : x
  2. Step 2: Convert to fraction form
    59,273.20/88,909.80 = 31,182.40/x
  3. Step 3: Cross multiply
    59,273.20x = 88,909.80 × 31,182.40
  4. Step 4: Simplify right side
    59,273.20x = 2,772,420,947.52
  5. Step 5: Solve for x
    x = 2,772,420,947.52/59,273.20
  6. Step 6: Final answer
    x = 46,773.60

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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.