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Finding the Fourth Proportional to 79,335.18, 109,482 and 43,526.70

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Solution

The fourth proportional to 79,335.18, 109,482 and 43,526.70 is: 60,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,335.18 : 109,482 = 43,526.70 : x
  2. Step 2: Convert to fraction form
    79,335.18/109,482 = 43,526.70/x
  3. Step 3: Cross multiply
    79,335.18x = 109,482 × 43,526.70
  4. Step 4: Simplify right side
    79,335.18x = 4,765,390,169.40
  5. Step 5: Solve for x
    x = 4,765,390,169.40/79,335.18
  6. Step 6: Final answer
    x = 60,066.55

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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.