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Finding the Fourth Proportional to 60,610.93, 90,663.19 and 42,597.90

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Solution

The fourth proportional to 60,610.93, 90,663.19 and 42,597.90 is: 63,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.93 : 90,663.19 = 42,597.90 : x
  2. Step 2: Convert to fraction form
    60,610.93/90,663.19 = 42,597.90/x
  3. Step 3: Cross multiply
    60,610.93x = 90,663.19 × 42,597.90
  4. Step 4: Simplify right side
    60,610.93x = 3,862,060,941.49
  5. Step 5: Solve for x
    x = 3,862,060,941.49/60,610.93
  6. Step 6: Final answer
    x = 63,718.89

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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.