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Finding the Fourth Proportional to 162,487.40, 243,730.41 and 44,158.40

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Solution

The fourth proportional to 162,487.40, 243,730.41 and 44,158.40 is: 66,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,487.40 : 243,730.41 = 44,158.40 : x
  2. Step 2: Convert to fraction form
    162,487.40/243,730.41 = 44,158.40/x
  3. Step 3: Cross multiply
    162,487.40x = 243,730.41 × 44,158.40
  4. Step 4: Simplify right side
    162,487.40x = 10,762,743,718.29
  5. Step 5: Solve for x
    x = 10,762,743,718.29/162,487.40
  6. Step 6: Final answer
    x = 66,237.41

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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.