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Finding the Fourth Proportional to 235,637.04, 353,480.10 and 75,672.54

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Solution

The fourth proportional to 235,637.04, 353,480.10 and 75,672.54 is: 113,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,637.04 : 353,480.10 = 75,672.54 : x
  2. Step 2: Convert to fraction form
    235,637.04/353,480.10 = 75,672.54/x
  3. Step 3: Cross multiply
    235,637.04x = 353,480.10 × 75,672.54
  4. Step 4: Simplify right side
    235,637.04x = 26,748,737,006.45
  5. Step 5: Solve for x
    x = 26,748,737,006.45/235,637.04
  6. Step 6: Final answer
    x = 113,516.69

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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.