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Finding the Fourth Proportional to 98,387.34, 147,552.15 and 45,049.14

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Solution

The fourth proportional to 98,387.34, 147,552.15 and 45,049.14 is: 67,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,387.34 : 147,552.15 = 45,049.14 : x
  2. Step 2: Convert to fraction form
    98,387.34/147,552.15 = 45,049.14/x
  3. Step 3: Cross multiply
    98,387.34x = 147,552.15 × 45,049.14
  4. Step 4: Simplify right side
    98,387.34x = 6,647,097,462.65
  5. Step 5: Solve for x
    x = 6,647,097,462.65/98,387.34
  6. Step 6: Final answer
    x = 67,560.50

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1.5x scale

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.