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Finding the Fourth Proportional to 153,864.89, 230,622.37 and 65,062.97

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Solution

The fourth proportional to 153,864.89, 230,622.37 and 65,062.97 is: 97,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,864.89 : 230,622.37 = 65,062.97 : x
  2. Step 2: Convert to fraction form
    153,864.89/230,622.37 = 65,062.97/x
  3. Step 3: Cross multiply
    153,864.89x = 230,622.37 × 65,062.97
  4. Step 4: Simplify right side
    153,864.89x = 15,004,976,340.64
  5. Step 5: Solve for x
    x = 15,004,976,340.64/153,864.89
  6. Step 6: Final answer
    x = 97,520.47

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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.