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Finding the Fourth Proportional to 153,251.16, 229,867.20 and 73,345.88

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Solution

The fourth proportional to 153,251.16, 229,867.20 and 73,345.88 is: 110,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,251.16 : 229,867.20 = 73,345.88 : x
  2. Step 2: Convert to fraction form
    153,251.16/229,867.20 = 73,345.88/x
  3. Step 3: Cross multiply
    153,251.16x = 229,867.20 × 73,345.88
  4. Step 4: Simplify right side
    153,251.16x = 16,859,812,067.14
  5. Step 5: Solve for x
    x = 16,859,812,067.14/153,251.16
  6. Step 6: Final answer
    x = 110,014.25

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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.