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Finding the Fourth Proportional to 96,341.90, 144,512.85 and 66,793.10

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Solution

The fourth proportional to 96,341.90, 144,512.85 and 66,793.10 is: 100,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,341.90 : 144,512.85 = 66,793.10 : x
  2. Step 2: Convert to fraction form
    96,341.90/144,512.85 = 66,793.10/x
  3. Step 3: Cross multiply
    96,341.90x = 144,512.85 × 66,793.10
  4. Step 4: Simplify right side
    96,341.90x = 9,652,461,241.34
  5. Step 5: Solve for x
    x = 9,652,461,241.34/96,341.90
  6. Step 6: Final answer
    x = 100,189.65

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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.