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Finding the Fourth Proportional to 89,343.48, 123,288.48 and 49,057.08

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Solution

The fourth proportional to 89,343.48, 123,288.48 and 49,057.08 is: 67,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,343.48 : 123,288.48 = 49,057.08 : x
  2. Step 2: Convert to fraction form
    89,343.48/123,288.48 = 49,057.08/x
  3. Step 3: Cross multiply
    89,343.48x = 123,288.48 × 49,057.08
  4. Step 4: Simplify right side
    89,343.48x = 6,048,172,826.44
  5. Step 5: Solve for x
    x = 6,048,172,826.44/89,343.48
  6. Step 6: Final answer
    x = 67,695.74

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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.