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Finding the Fourth Proportional to 88,752.48, 122,473.50 and 48,458.20

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Solution

The fourth proportional to 88,752.48, 122,473.50 and 48,458.20 is: 66,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,752.48 : 122,473.50 = 48,458.20 : x
  2. Step 2: Convert to fraction form
    88,752.48/122,473.50 = 48,458.20/x
  3. Step 3: Cross multiply
    88,752.48x = 122,473.50 × 48,458.20
  4. Step 4: Simplify right side
    88,752.48x = 5,934,845,357.70
  5. Step 5: Solve for x
    x = 5,934,845,357.70/88,752.48
  6. Step 6: Final answer
    x = 66,869.63

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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.