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Finding the Fourth Proportional to 80,465.67, 120,605.63 and 59,088.15

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Solution

The fourth proportional to 80,465.67, 120,605.63 and 59,088.15 is: 88,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.67 : 120,605.63 = 59,088.15 : x
  2. Step 2: Convert to fraction form
    80,465.67/120,605.63 = 59,088.15/x
  3. Step 3: Cross multiply
    80,465.67x = 120,605.63 × 59,088.15
  4. Step 4: Simplify right side
    80,465.67x = 7,126,363,260.84
  5. Step 5: Solve for x
    x = 7,126,363,260.84/80,465.67
  6. Step 6: Final answer
    x = 88,564.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.