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Finding the Fourth Proportional to 89,480.77, 123,483.54 and 49,195.22

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Solution

The fourth proportional to 89,480.77, 123,483.54 and 49,195.22 is: 67,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,480.77 : 123,483.54 = 49,195.22 : x
  2. Step 2: Convert to fraction form
    89,480.77/123,483.54 = 49,195.22/x
  3. Step 3: Cross multiply
    89,480.77x = 123,483.54 × 49,195.22
  4. Step 4: Simplify right side
    89,480.77x = 6,074,799,207.02
  5. Step 5: Solve for x
    x = 6,074,799,207.02/89,480.77
  6. Step 6: Final answer
    x = 67,889.44

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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.