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Finding the Fourth Proportional to 283,277.80, 424,818.78 and 125,616.52

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Solution

The fourth proportional to 283,277.80, 424,818.78 and 125,616.52 is: 188,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,277.80 : 424,818.78 = 125,616.52 : x
  2. Step 2: Convert to fraction form
    283,277.80/424,818.78 = 125,616.52/x
  3. Step 3: Cross multiply
    283,277.80x = 424,818.78 × 125,616.52
  4. Step 4: Simplify right side
    283,277.80x = 53,364,256,774.25
  5. Step 5: Solve for x
    x = 53,364,256,774.25/283,277.80
  6. Step 6: Final answer
    x = 188,381.36

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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.