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Finding the Fourth Proportional to 111,613.92, 167,425.44 and 28,510.08

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Solution

The fourth proportional to 111,613.92, 167,425.44 and 28,510.08 is: 42,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,613.92 : 167,425.44 = 28,510.08 : x
  2. Step 2: Convert to fraction form
    111,613.92/167,425.44 = 28,510.08/x
  3. Step 3: Cross multiply
    111,613.92x = 167,425.44 × 28,510.08
  4. Step 4: Simplify right side
    111,613.92x = 4,773,312,688.44
  5. Step 5: Solve for x
    x = 4,773,312,688.44/111,613.92
  6. Step 6: Final answer
    x = 42,766.28

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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.