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Finding the Fourth Proportional to 74,398.92, 111,598.98 and 24,482.40

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Solution

The fourth proportional to 74,398.92, 111,598.98 and 24,482.40 is: 36,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,398.92 : 111,598.98 = 24,482.40 : x
  2. Step 2: Convert to fraction form
    74,398.92/111,598.98 = 24,482.40/x
  3. Step 3: Cross multiply
    74,398.92x = 111,598.98 × 24,482.40
  4. Step 4: Simplify right side
    74,398.92x = 2,732,210,867.95
  5. Step 5: Solve for x
    x = 2,732,210,867.95/74,398.92
  6. Step 6: Final answer
    x = 36,723.80

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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.