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Finding the Fourth Proportional to 162,149.76, 243,593.72 and 117,309.44

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Solution

The fourth proportional to 162,149.76, 243,593.72 and 117,309.44 is: 176,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,149.76 : 243,593.72 = 117,309.44 : x
  2. Step 2: Convert to fraction form
    162,149.76/243,593.72 = 117,309.44/x
  3. Step 3: Cross multiply
    162,149.76x = 243,593.72 × 117,309.44
  4. Step 4: Simplify right side
    162,149.76x = 28,575,842,880.72
  5. Step 5: Solve for x
    x = 28,575,842,880.72/162,149.76
  6. Step 6: Final answer
    x = 176,231.18

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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.