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Finding the Fourth Proportional to 88,490.56, 122,116.92 and 48,746.56

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Solution

The fourth proportional to 88,490.56, 122,116.92 and 48,746.56 is: 67,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,490.56 : 122,116.92 = 48,746.56 : x
  2. Step 2: Convert to fraction form
    88,490.56/122,116.92 = 48,746.56/x
  3. Step 3: Cross multiply
    88,490.56x = 122,116.92 × 48,746.56
  4. Step 4: Simplify right side
    88,490.56x = 5,952,779,767.80
  5. Step 5: Solve for x
    x = 5,952,779,767.80/88,490.56
  6. Step 6: Final answer
    x = 67,270.22

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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.