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Finding the Fourth Proportional to 101,329.64, 151,979.88 and 59,229.08

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Solution

The fourth proportional to 101,329.64, 151,979.88 and 59,229.08 is: 88,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,329.64 : 151,979.88 = 59,229.08 : x
  2. Step 2: Convert to fraction form
    101,329.64/151,979.88 = 59,229.08/x
  3. Step 3: Cross multiply
    101,329.64x = 151,979.88 × 59,229.08
  4. Step 4: Simplify right side
    101,329.64x = 9,001,628,470.91
  5. Step 5: Solve for x
    x = 9,001,628,470.91/101,329.64
  6. Step 6: Final answer
    x = 88,835.10

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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.