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Finding the Fourth Proportional to 162,013.20, 243,019.80 and 152,827.80

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Solution

The fourth proportional to 162,013.20, 243,019.80 and 152,827.80 is: 229,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,013.20 : 243,019.80 = 152,827.80 : x
  2. Step 2: Convert to fraction form
    162,013.20/243,019.80 = 152,827.80/x
  3. Step 3: Cross multiply
    162,013.20x = 243,019.80 × 152,827.80
  4. Step 4: Simplify right side
    162,013.20x = 37,140,181,390.44
  5. Step 5: Solve for x
    x = 37,140,181,390.44/162,013.20
  6. Step 6: Final answer
    x = 229,241.70

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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.