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Finding the Fourth Proportional to 162,512.15, 243,330.83 and 162,512.15

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Solution

The fourth proportional to 162,512.15, 243,330.83 and 162,512.15 is: 243,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,512.15 : 243,330.83 = 162,512.15 : x
  2. Step 2: Convert to fraction form
    162,512.15/243,330.83 = 162,512.15/x
  3. Step 3: Cross multiply
    162,512.15x = 243,330.83 × 162,512.15
  4. Step 4: Simplify right side
    162,512.15x = 39,544,215,532.02
  5. Step 5: Solve for x
    x = 39,544,215,532.02/162,512.15
  6. Step 6: Final answer
    x = 243,330.83

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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.