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Finding the Fourth Proportional to 169,630.70, 254,446.05 and 165,742.70

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Solution

The fourth proportional to 169,630.70, 254,446.05 and 165,742.70 is: 248,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,630.70 : 254,446.05 = 165,742.70 : x
  2. Step 2: Convert to fraction form
    169,630.70/254,446.05 = 165,742.70/x
  3. Step 3: Cross multiply
    169,630.70x = 254,446.05 × 165,742.70
  4. Step 4: Simplify right side
    169,630.70x = 42,172,575,331.34
  5. Step 5: Solve for x
    x = 42,172,575,331.34/169,630.70
  6. Step 6: Final answer
    x = 248,614.05

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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.