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Finding the Fourth Proportional to 153,843.73, 230,318.69 and 89,606.00

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Solution

The fourth proportional to 153,843.73, 230,318.69 and 89,606.00 is: 134,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,843.73 : 230,318.69 = 89,606.00 : x
  2. Step 2: Convert to fraction form
    153,843.73/230,318.69 = 89,606.00/x
  3. Step 3: Cross multiply
    153,843.73x = 230,318.69 × 89,606.00
  4. Step 4: Simplify right side
    153,843.73x = 20,637,936,663.91
  5. Step 5: Solve for x
    x = 20,637,936,663.91/153,843.73
  6. Step 6: Final answer
    x = 134,148.70

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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.