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Finding the Fourth Proportional to 88,295.38, 121,845.38 and 48,008.28

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Solution

The fourth proportional to 88,295.38, 121,845.38 and 48,008.28 is: 66,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,295.38 : 121,845.38 = 48,008.28 : x
  2. Step 2: Convert to fraction form
    88,295.38/121,845.38 = 48,008.28/x
  3. Step 3: Cross multiply
    88,295.38x = 121,845.38 × 48,008.28
  4. Step 4: Simplify right side
    88,295.38x = 5,849,587,119.75
  5. Step 5: Solve for x
    x = 5,849,587,119.75/88,295.38
  6. Step 6: Final answer
    x = 66,250.21

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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.