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Finding the Fourth Proportional to 157,067.10, 235,447.05 and 63,447.90

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Solution

The fourth proportional to 157,067.10, 235,447.05 and 63,447.90 is: 95,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.10 : 235,447.05 = 63,447.90 : x
  2. Step 2: Convert to fraction form
    157,067.10/235,447.05 = 63,447.90/x
  3. Step 3: Cross multiply
    157,067.10x = 235,447.05 × 63,447.90
  4. Step 4: Simplify right side
    157,067.10x = 14,938,620,883.70
  5. Step 5: Solve for x
    x = 14,938,620,883.70/157,067.10
  6. Step 6: Final answer
    x = 95,109.80

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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.