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Finding the Fourth Proportional to 153,044.79, 229,606.10 and 89,918.25

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Solution

The fourth proportional to 153,044.79, 229,606.10 and 89,918.25 is: 134,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,044.79 : 229,606.10 = 89,918.25 : x
  2. Step 2: Convert to fraction form
    153,044.79/229,606.10 = 89,918.25/x
  3. Step 3: Cross multiply
    153,044.79x = 229,606.10 × 89,918.25
  4. Step 4: Simplify right side
    153,044.79x = 20,645,778,251.73
  5. Step 5: Solve for x
    x = 20,645,778,251.73/153,044.79
  6. Step 6: Final answer
    x = 134,900.24

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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.