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Finding the Fourth Proportional to 79,718.16, 110,011.80 and 43,909.44

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Solution

The fourth proportional to 79,718.16, 110,011.80 and 43,909.44 is: 60,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718.16 : 110,011.80 = 43,909.44 : x
  2. Step 2: Convert to fraction form
    79,718.16/110,011.80 = 43,909.44/x
  3. Step 3: Cross multiply
    79,718.16x = 110,011.80 × 43,909.44
  4. Step 4: Simplify right side
    79,718.16x = 4,830,556,531.39
  5. Step 5: Solve for x
    x = 4,830,556,531.39/79,718.16
  6. Step 6: Final answer
    x = 60,595.43

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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.