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Finding the Fourth Proportional to 88,168.99, 121,672.83 and 47,882.47

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Solution

The fourth proportional to 88,168.99, 121,672.83 and 47,882.47 is: 66,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168.99 : 121,672.83 = 47,882.47 : x
  2. Step 2: Convert to fraction form
    88,168.99/121,672.83 = 47,882.47/x
  3. Step 3: Cross multiply
    88,168.99x = 121,672.83 × 47,882.47
  4. Step 4: Simplify right side
    88,168.99x = 5,825,995,632.29
  5. Step 5: Solve for x
    x = 5,825,995,632.29/88,168.99
  6. Step 6: Final answer
    x = 66,077.60

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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.