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Finding the Fourth Proportional to 162,150.80, 243,226.20 and 56,980.40

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Solution

The fourth proportional to 162,150.80, 243,226.20 and 56,980.40 is: 85,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,150.80 : 243,226.20 = 56,980.40 : x
  2. Step 2: Convert to fraction form
    162,150.80/243,226.20 = 56,980.40/x
  3. Step 3: Cross multiply
    162,150.80x = 243,226.20 × 56,980.40
  4. Step 4: Simplify right side
    162,150.80x = 13,859,126,166.48
  5. Step 5: Solve for x
    x = 13,859,126,166.48/162,150.80
  6. Step 6: Final answer
    x = 85,470.60

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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.