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Finding the Fourth Proportional to 162,489.80, 243,878.70 and 95,846.60

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Solution

The fourth proportional to 162,489.80, 243,878.70 and 95,846.60 is: 143,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,489.80 : 243,878.70 = 95,846.60 : x
  2. Step 2: Convert to fraction form
    162,489.80/243,878.70 = 95,846.60/x
  3. Step 3: Cross multiply
    162,489.80x = 243,878.70 × 95,846.60
  4. Step 4: Simplify right side
    162,489.80x = 23,374,944,207.42
  5. Step 5: Solve for x
    x = 23,374,944,207.42/162,489.80
  6. Step 6: Final answer
    x = 143,854.84

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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.