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Finding the Fourth Proportional to 148,630.88, 205,097.04 and 88,191.12

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Solution

The fourth proportional to 148,630.88, 205,097.04 and 88,191.12 is: 121,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,630.88 : 205,097.04 = 88,191.12 : x
  2. Step 2: Convert to fraction form
    148,630.88/205,097.04 = 88,191.12/x
  3. Step 3: Cross multiply
    148,630.88x = 205,097.04 × 88,191.12
  4. Step 4: Simplify right side
    148,630.88x = 18,087,737,666.28
  5. Step 5: Solve for x
    x = 18,087,737,666.28/148,630.88
  6. Step 6: Final answer
    x = 121,695.69

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1.5x scale

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.