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Finding the Fourth Proportional to 162,612.01, 243,740.09 and 83,730.97

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Solution

The fourth proportional to 162,612.01, 243,740.09 and 83,730.97 is: 125,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,612.01 : 243,740.09 = 83,730.97 : x
  2. Step 2: Convert to fraction form
    162,612.01/243,740.09 = 83,730.97/x
  3. Step 3: Cross multiply
    162,612.01x = 243,740.09 × 83,730.97
  4. Step 4: Simplify right side
    162,612.01x = 20,408,593,744.93
  5. Step 5: Solve for x
    x = 20,408,593,744.93/162,612.01
  6. Step 6: Final answer
    x = 125,504.84

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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.