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Finding the Fourth Proportional to 283,354.98, 424,835.18 and 125,497.86

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Solution

The fourth proportional to 283,354.98, 424,835.18 and 125,497.86 is: 188,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,354.98 : 424,835.18 = 125,497.86 : x
  2. Step 2: Convert to fraction form
    283,354.98/424,835.18 = 125,497.86/x
  3. Step 3: Cross multiply
    283,354.98x = 424,835.18 × 125,497.86
  4. Step 4: Simplify right side
    283,354.98x = 53,315,903,818.54
  5. Step 5: Solve for x
    x = 53,315,903,818.54/283,354.98
  6. Step 6: Final answer
    x = 188,159.41

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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.