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Finding the Fourth Proportional to 104,613.22, 144,366.42 and 56,866.42

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Solution

The fourth proportional to 104,613.22, 144,366.42 and 56,866.42 is: 78,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,613.22 : 144,366.42 = 56,866.42 : x
  2. Step 2: Convert to fraction form
    104,613.22/144,366.42 = 56,866.42/x
  3. Step 3: Cross multiply
    104,613.22x = 144,366.42 × 56,866.42
  4. Step 4: Simplify right side
    104,613.22x = 8,209,601,473.62
  5. Step 5: Solve for x
    x = 8,209,601,473.62/104,613.22
  6. Step 6: Final answer
    x = 78,475.76

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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.