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Finding the Fourth Proportional to 79,776.78, 110,089.35 and 43,966.14

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Solution

The fourth proportional to 79,776.78, 110,089.35 and 43,966.14 is: 60,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.78 : 110,089.35 = 43,966.14 : x
  2. Step 2: Convert to fraction form
    79,776.78/110,089.35 = 43,966.14/x
  3. Step 3: Cross multiply
    79,776.78x = 110,089.35 × 43,966.14
  4. Step 4: Simplify right side
    79,776.78x = 4,840,203,774.61
  5. Step 5: Solve for x
    x = 4,840,203,774.61/79,776.78
  6. Step 6: Final answer
    x = 60,671.84

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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.