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Finding the Fourth Proportional to 235,630.27, 353,478.23 and 75,711.02

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Solution

The fourth proportional to 235,630.27, 353,478.23 and 75,711.02 is: 113,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,630.27 : 353,478.23 = 75,711.02 : x
  2. Step 2: Convert to fraction form
    235,630.27/353,478.23 = 75,711.02/x
  3. Step 3: Cross multiply
    235,630.27x = 353,478.23 × 75,711.02
  4. Step 4: Simplify right side
    235,630.27x = 26,762,197,341.09
  5. Step 5: Solve for x
    x = 26,762,197,341.09/235,630.27
  6. Step 6: Final answer
    x = 113,577.08

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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.