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Finding the Fourth Proportional to 220,118.95, 330,162.27 and 70,319.02

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Solution

The fourth proportional to 220,118.95, 330,162.27 and 70,319.02 is: 105,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,118.95 : 330,162.27 = 70,319.02 : x
  2. Step 2: Convert to fraction form
    220,118.95/330,162.27 = 70,319.02/x
  3. Step 3: Cross multiply
    220,118.95x = 330,162.27 × 70,319.02
  4. Step 4: Simplify right side
    220,118.95x = 23,216,687,267.38
  5. Step 5: Solve for x
    x = 23,216,687,267.38/220,118.95
  6. Step 6: Final answer
    x = 105,473.37

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