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Finding the Fourth Proportional to 98,475.92, 147,733.36 and 36,146.96

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Solution

The fourth proportional to 98,475.92, 147,733.36 and 36,146.96 is: 54,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,475.92 : 147,733.36 = 36,146.96 : x
  2. Step 2: Convert to fraction form
    98,475.92/147,733.36 = 36,146.96/x
  3. Step 3: Cross multiply
    98,475.92x = 147,733.36 × 36,146.96
  4. Step 4: Simplify right side
    98,475.92x = 5,340,111,854.59
  5. Step 5: Solve for x
    x = 5,340,111,854.59/98,475.92
  6. Step 6: Final answer
    x = 54,227.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.