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Finding the Fourth Proportional to 153,862.89, 230,619.38 and 65,060.97

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Solution

The fourth proportional to 153,862.89, 230,619.38 and 65,060.97 is: 97,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,862.89 : 230,619.38 = 65,060.97 : x
  2. Step 2: Convert to fraction form
    153,862.89/230,619.38 = 65,060.97/x
  3. Step 3: Cross multiply
    153,862.89x = 230,619.38 × 65,060.97
  4. Step 4: Simplify right side
    153,862.89x = 15,004,320,238.29
  5. Step 5: Solve for x
    x = 15,004,320,238.29/153,862.89
  6. Step 6: Final answer
    x = 97,517.47

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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.