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Finding the Fourth Proportional to 118,059.24, 162,919.62 and 64,343.88

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Solution

The fourth proportional to 118,059.24, 162,919.62 and 64,343.88 is: 88,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,059.24 : 162,919.62 = 64,343.88 : x
  2. Step 2: Convert to fraction form
    118,059.24/162,919.62 = 64,343.88/x
  3. Step 3: Cross multiply
    118,059.24x = 162,919.62 × 64,343.88
  4. Step 4: Simplify right side
    118,059.24x = 10,482,880,478.93
  5. Step 5: Solve for x
    x = 10,482,880,478.93/118,059.24
  6. Step 6: Final answer
    x = 88,793.39

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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.