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Finding the Fourth Proportional to 162,753.91, 244,130.86 and 44,428.40

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Solution

The fourth proportional to 162,753.91, 244,130.86 and 44,428.40 is: 66,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,753.91 : 244,130.86 = 44,428.40 : x
  2. Step 2: Convert to fraction form
    162,753.91/244,130.86 = 44,428.40/x
  3. Step 3: Cross multiply
    162,753.91x = 244,130.86 × 44,428.40
  4. Step 4: Simplify right side
    162,753.91x = 10,846,343,250.80
  5. Step 5: Solve for x
    x = 10,846,343,250.80/162,753.91
  6. Step 6: Final answer
    x = 66,642.60

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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.