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Finding the Fourth Proportional to 79,459.32, 109,652.32 and 43,648.52

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Solution

The fourth proportional to 79,459.32, 109,652.32 and 43,648.52 is: 60,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,459.32 : 109,652.32 = 43,648.52 : x
  2. Step 2: Convert to fraction form
    79,459.32/109,652.32 = 43,648.52/x
  3. Step 3: Cross multiply
    79,459.32x = 109,652.32 × 43,648.52
  4. Step 4: Simplify right side
    79,459.32x = 4,786,161,482.57
  5. Step 5: Solve for x
    x = 4,786,161,482.57/79,459.32
  6. Step 6: Final answer
    x = 60,234.11

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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.