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Finding the Fourth Proportional to 159,964.52, 220,752.70 and 88,346.36

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Solution

The fourth proportional to 159,964.52, 220,752.70 and 88,346.36 is: 121,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,964.52 : 220,752.70 = 88,346.36 : x
  2. Step 2: Convert to fraction form
    159,964.52/220,752.70 = 88,346.36/x
  3. Step 3: Cross multiply
    159,964.52x = 220,752.70 × 88,346.36
  4. Step 4: Simplify right side
    159,964.52x = 19,502,697,505.17
  5. Step 5: Solve for x
    x = 19,502,697,505.17/159,964.52
  6. Step 6: Final answer
    x = 121,918.89

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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.