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Finding the Fourth Proportional to 265,248.79, 397,886.40 and 75,737.27

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Solution

The fourth proportional to 265,248.79, 397,886.40 and 75,737.27 is: 113,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,248.79 : 397,886.40 = 75,737.27 : x
  2. Step 2: Convert to fraction form
    265,248.79/397,886.40 = 75,737.27/x
  3. Step 3: Cross multiply
    265,248.79x = 397,886.40 × 75,737.27
  4. Step 4: Simplify right side
    265,248.79x = 30,134,829,706.13
  5. Step 5: Solve for x
    x = 30,134,829,706.13/265,248.79
  6. Step 6: Final answer
    x = 113,609.68

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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.