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Finding the Fourth Proportional to 88,234.49, 121,763.50 and 47,948.17

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Solution

The fourth proportional to 88,234.49, 121,763.50 and 47,948.17 is: 66,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234.49 : 121,763.50 = 47,948.17 : x
  2. Step 2: Convert to fraction form
    88,234.49/121,763.50 = 47,948.17/x
  3. Step 3: Cross multiply
    88,234.49x = 121,763.50 × 47,948.17
  4. Step 4: Simplify right side
    88,234.49x = 5,838,336,557.84
  5. Step 5: Solve for x
    x = 5,838,336,557.84/88,234.49
  6. Step 6: Final answer
    x = 66,168.42

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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.