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Finding the Fourth Proportional to 79,346.66, 109,398.74 and 58,089.02

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Solution

The fourth proportional to 79,346.66, 109,398.74 and 58,089.02 is: 80,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.66 : 109,398.74 = 58,089.02 : x
  2. Step 2: Convert to fraction form
    79,346.66/109,398.74 = 58,089.02/x
  3. Step 3: Cross multiply
    79,346.66x = 109,398.74 × 58,089.02
  4. Step 4: Simplify right side
    79,346.66x = 6,354,865,595.83
  5. Step 5: Solve for x
    x = 6,354,865,595.83/79,346.66
  6. Step 6: Final answer
    x = 80,089.89

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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.