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Finding the Fourth Proportional to 162,004.80, 243,007.20 and 152,163.30

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Solution

The fourth proportional to 162,004.80, 243,007.20 and 152,163.30 is: 228,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,004.80 : 243,007.20 = 152,163.30 : x
  2. Step 2: Convert to fraction form
    162,004.80/243,007.20 = 152,163.30/x
  3. Step 3: Cross multiply
    162,004.80x = 243,007.20 × 152,163.30
  4. Step 4: Simplify right side
    162,004.80x = 36,976,777,475.76
  5. Step 5: Solve for x
    x = 36,976,777,475.76/162,004.80
  6. Step 6: Final answer
    x = 228,244.95

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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.