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Finding the Fourth Proportional to 157,067.60, 235,447.80 and 63,448.40

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Solution

The fourth proportional to 157,067.60, 235,447.80 and 63,448.40 is: 95,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.60 : 235,447.80 = 63,448.40 : x
  2. Step 2: Convert to fraction form
    157,067.60/235,447.80 = 63,448.40/x
  3. Step 3: Cross multiply
    157,067.60x = 235,447.80 × 63,448.40
  4. Step 4: Simplify right side
    157,067.60x = 14,938,786,193.52
  5. Step 5: Solve for x
    x = 14,938,786,193.52/157,067.60
  6. Step 6: Final answer
    x = 95,110.55

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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.