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Finding the Fourth Proportional to 162,740.61, 244,108.56 and 158,720.16

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Solution

The fourth proportional to 162,740.61, 244,108.56 and 158,720.16 is: 238,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,740.61 : 244,108.56 = 158,720.16 : x
  2. Step 2: Convert to fraction form
    162,740.61/244,108.56 = 158,720.16/x
  3. Step 3: Cross multiply
    162,740.61x = 244,108.56 × 158,720.16
  4. Step 4: Simplify right side
    162,740.61x = 38,744,949,700.57
  5. Step 5: Solve for x
    x = 38,744,949,700.57/162,740.61
  6. Step 6: Final answer
    x = 238,077.94

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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.