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Finding the Fourth Proportional to 88,914.30, 122,695.47 and 48,627.21

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Solution

The fourth proportional to 88,914.30, 122,695.47 and 48,627.21 is: 67,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,914.30 : 122,695.47 = 48,627.21 : x
  2. Step 2: Convert to fraction form
    88,914.30/122,695.47 = 48,627.21/x
  3. Step 3: Cross multiply
    88,914.30x = 122,695.47 × 48,627.21
  4. Step 4: Simplify right side
    88,914.30x = 5,966,338,385.74
  5. Step 5: Solve for x
    x = 5,966,338,385.74/88,914.30
  6. Step 6: Final answer
    x = 67,102.12

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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.