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Finding the Fourth Proportional to 73,598.25, 101,565.99 and 40,064.25

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Solution

The fourth proportional to 73,598.25, 101,565.99 and 40,064.25 is: 55,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,598.25 : 101,565.99 = 40,064.25 : x
  2. Step 2: Convert to fraction form
    73,598.25/101,565.99 = 40,064.25/x
  3. Step 3: Cross multiply
    73,598.25x = 101,565.99 × 40,064.25
  4. Step 4: Simplify right side
    73,598.25x = 4,069,165,214.86
  5. Step 5: Solve for x
    x = 4,069,165,214.86/73,598.25
  6. Step 6: Final answer
    x = 55,288.89

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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.