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Finding the Fourth Proportional to 98,403.59, 147,613.67 and 30,951.11

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Solution

The fourth proportional to 98,403.59, 147,613.67 and 30,951.11 is: 46,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,403.59 : 147,613.67 = 30,951.11 : x
  2. Step 2: Convert to fraction form
    98,403.59/147,613.67 = 30,951.11/x
  3. Step 3: Cross multiply
    98,403.59x = 147,613.67 × 30,951.11
  4. Step 4: Simplify right side
    98,403.59x = 4,568,806,044.85
  5. Step 5: Solve for x
    x = 4,568,806,044.85/98,403.59
  6. Step 6: Final answer
    x = 46,429.26

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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.