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Finding the Fourth Proportional to 157,375.60, 235,487.40 and 115,903.60

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Solution

The fourth proportional to 157,375.60, 235,487.40 and 115,903.60 is: 173,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,375.60 : 235,487.40 = 115,903.60 : x
  2. Step 2: Convert to fraction form
    157,375.60/235,487.40 = 115,903.60/x
  3. Step 3: Cross multiply
    157,375.60x = 235,487.40 × 115,903.60
  4. Step 4: Simplify right side
    157,375.60x = 27,293,837,414.64
  5. Step 5: Solve for x
    x = 27,293,837,414.64/157,375.60
  6. Step 6: Final answer
    x = 173,431.19

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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.