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Finding the Fourth Proportional to 157,641.40, 236,462.10 and 148,310.20

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Solution

The fourth proportional to 157,641.40, 236,462.10 and 148,310.20 is: 222,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,641.40 : 236,462.10 = 148,310.20 : x
  2. Step 2: Convert to fraction form
    157,641.40/236,462.10 = 148,310.20/x
  3. Step 3: Cross multiply
    157,641.40x = 236,462.10 × 148,310.20
  4. Step 4: Simplify right side
    157,641.40x = 35,069,741,343.42
  5. Step 5: Solve for x
    x = 35,069,741,343.42/157,641.40
  6. Step 6: Final answer
    x = 222,465.30

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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.