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Finding the Fourth Proportional to 109,967.20, 151,756.50 and 59,666.20

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Solution

The fourth proportional to 109,967.20, 151,756.50 and 59,666.20 is: 82,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,967.20 : 151,756.50 = 59,666.20 : x
  2. Step 2: Convert to fraction form
    109,967.20/151,756.50 = 59,666.20/x
  3. Step 3: Cross multiply
    109,967.20x = 151,756.50 × 59,666.20
  4. Step 4: Simplify right side
    109,967.20x = 9,054,733,680.30
  5. Step 5: Solve for x
    x = 9,054,733,680.30/109,967.20
  6. Step 6: Final answer
    x = 82,340.31

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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.