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Finding the Fourth Proportional to 79,613.19, 109,867.95 and 43,805.10

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Solution

The fourth proportional to 79,613.19, 109,867.95 and 43,805.10 is: 60,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,613.19 : 109,867.95 = 43,805.10 : x
  2. Step 2: Convert to fraction form
    79,613.19/109,867.95 = 43,805.10/x
  3. Step 3: Cross multiply
    79,613.19x = 109,867.95 × 43,805.10
  4. Step 4: Simplify right side
    79,613.19x = 4,812,776,536.55
  5. Step 5: Solve for x
    x = 4,812,776,536.55/79,613.19
  6. Step 6: Final answer
    x = 60,452.00

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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.