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Finding the Fourth Proportional to 72,251.20, 108,333.60 and 37,259.20

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Solution

The fourth proportional to 72,251.20, 108,333.60 and 37,259.20 is: 55,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,251.20 : 108,333.60 = 37,259.20 : x
  2. Step 2: Convert to fraction form
    72,251.20/108,333.60 = 37,259.20/x
  3. Step 3: Cross multiply
    72,251.20x = 108,333.60 × 37,259.20
  4. Step 4: Simplify right side
    72,251.20x = 4,036,423,269.12
  5. Step 5: Solve for x
    x = 4,036,423,269.12/72,251.20
  6. Step 6: Final answer
    x = 55,866.52

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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.