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Finding the Fourth Proportional to 162,014.80, 243,022.20 and 112,151.20

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Solution

The fourth proportional to 162,014.80, 243,022.20 and 112,151.20 is: 168,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014.80 : 243,022.20 = 112,151.20 : x
  2. Step 2: Convert to fraction form
    162,014.80/243,022.20 = 112,151.20/x
  3. Step 3: Cross multiply
    162,014.80x = 243,022.20 × 112,151.20
  4. Step 4: Simplify right side
    162,014.80x = 27,255,231,356.64
  5. Step 5: Solve for x
    x = 27,255,231,356.64/162,014.80
  6. Step 6: Final answer
    x = 168,226.80

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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.