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Finding the Fourth Proportional to 118,363.01, 163,344.53 and 64,650.92

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Solution

The fourth proportional to 118,363.01, 163,344.53 and 64,650.92 is: 89,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,363.01 : 163,344.53 = 64,650.92 : x
  2. Step 2: Convert to fraction form
    118,363.01/163,344.53 = 64,650.92/x
  3. Step 3: Cross multiply
    118,363.01x = 163,344.53 × 64,650.92
  4. Step 4: Simplify right side
    118,363.01x = 10,560,373,818.21
  5. Step 5: Solve for x
    x = 10,560,373,818.21/118,363.01
  6. Step 6: Final answer
    x = 89,220.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.