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Finding the Fourth Proportional to 92,038.86, 126,963.25 and 59,343.48

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Solution

The fourth proportional to 92,038.86, 126,963.25 and 59,343.48 is: 81,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,038.86 : 126,963.25 = 59,343.48 : x
  2. Step 2: Convert to fraction form
    92,038.86/126,963.25 = 59,343.48/x
  3. Step 3: Cross multiply
    92,038.86x = 126,963.25 × 59,343.48
  4. Step 4: Simplify right side
    92,038.86x = 7,534,440,938.75
  5. Step 5: Solve for x
    x = 7,534,440,938.75/92,038.86
  6. Step 6: Final answer
    x = 81,861.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.