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Finding the Fourth Proportional to 157,593.63, 235,161.28 and 140,609.90

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Solution

The fourth proportional to 157,593.63, 235,161.28 and 140,609.90 is: 209,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,593.63 : 235,161.28 = 140,609.90 : x
  2. Step 2: Convert to fraction form
    157,593.63/235,161.28 = 140,609.90/x
  3. Step 3: Cross multiply
    157,593.63x = 235,161.28 × 140,609.90
  4. Step 4: Simplify right side
    157,593.63x = 33,066,003,361.62
  5. Step 5: Solve for x
    x = 33,066,003,361.62/157,593.63
  6. Step 6: Final answer
    x = 209,818.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.