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Finding the Fourth Proportional to 162,840.65, 244,636.40 and 156,114.68

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Solution

The fourth proportional to 162,840.65, 244,636.40 and 156,114.68 is: 234,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,840.65 : 244,636.40 = 156,114.68 : x
  2. Step 2: Convert to fraction form
    162,840.65/244,636.40 = 156,114.68/x
  3. Step 3: Cross multiply
    162,840.65x = 244,636.40 × 156,114.68
  4. Step 4: Simplify right side
    162,840.65x = 38,191,332,469.46
  5. Step 5: Solve for x
    x = 38,191,332,469.46/162,840.65
  6. Step 6: Final answer
    x = 234,531.94

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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.