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Finding the Fourth Proportional to 157,305.60, 235,958.40 and 113,346.90

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Solution

The fourth proportional to 157,305.60, 235,958.40 and 113,346.90 is: 170,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,305.60 : 235,958.40 = 113,346.90 : x
  2. Step 2: Convert to fraction form
    157,305.60/235,958.40 = 113,346.90/x
  3. Step 3: Cross multiply
    157,305.60x = 235,958.40 × 113,346.90
  4. Step 4: Simplify right side
    157,305.60x = 26,745,153,168.96
  5. Step 5: Solve for x
    x = 26,745,153,168.96/157,305.60
  6. Step 6: Final answer
    x = 170,020.35

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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.