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Finding the Fourth Proportional to 79,417.29, 109,595.52 and 43,608

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Solution

The fourth proportional to 79,417.29, 109,595.52 and 43,608 is: 60,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.29 : 109,595.52 = 43,608 : x
  2. Step 2: Convert to fraction form
    79,417.29/109,595.52 = 43,608/x
  3. Step 3: Cross multiply
    79,417.29x = 109,595.52 × 43,608
  4. Step 4: Simplify right side
    79,417.29x = 4,779,241,436.16
  5. Step 5: Solve for x
    x = 4,779,241,436.16/79,417.29
  6. Step 6: Final answer
    x = 60,178.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.