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Finding the Fourth Proportional to 171,048.60, 256,572.90 and 112,066.20

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Solution

The fourth proportional to 171,048.60, 256,572.90 and 112,066.20 is: 168,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,048.60 : 256,572.90 = 112,066.20 : x
  2. Step 2: Convert to fraction form
    171,048.60/256,572.90 = 112,066.20/x
  3. Step 3: Cross multiply
    171,048.60x = 256,572.90 × 112,066.20
  4. Step 4: Simplify right side
    171,048.60x = 28,753,149,925.98
  5. Step 5: Solve for x
    x = 28,753,149,925.98/171,048.60
  6. Step 6: Final answer
    x = 168,099.30

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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.