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Finding the Fourth Proportional to 88,499.97, 122,129.48 and 48,213.65

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Solution

The fourth proportional to 88,499.97, 122,129.48 and 48,213.65 is: 66,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,499.97 : 122,129.48 = 48,213.65 : x
  2. Step 2: Convert to fraction form
    88,499.97/122,129.48 = 48,213.65/x
  3. Step 3: Cross multiply
    88,499.97x = 122,129.48 × 48,213.65
  4. Step 4: Simplify right side
    88,499.97x = 5,888,307,151.69
  5. Step 5: Solve for x
    x = 5,888,307,151.69/88,499.97
  6. Step 6: Final answer
    x = 66,534.57

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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.