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Finding the Fourth Proportional to 158,897.91, 238,346.87 and 40,565.01

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Solution

The fourth proportional to 158,897.91, 238,346.87 and 40,565.01 is: 60,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,897.91 : 238,346.87 = 40,565.01 : x
  2. Step 2: Convert to fraction form
    158,897.91/238,346.87 = 40,565.01/x
  3. Step 3: Cross multiply
    158,897.91x = 238,346.87 × 40,565.01
  4. Step 4: Simplify right side
    158,897.91x = 9,668,542,962.19
  5. Step 5: Solve for x
    x = 9,668,542,962.19/158,897.91
  6. Step 6: Final answer
    x = 60,847.52

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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.