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Finding the Fourth Proportional to 283,260.54, 424,693.98 and 125,402.88

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Solution

The fourth proportional to 283,260.54, 424,693.98 and 125,402.88 is: 188,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,260.54 : 424,693.98 = 125,402.88 : x
  2. Step 2: Convert to fraction form
    283,260.54/424,693.98 = 125,402.88/x
  3. Step 3: Cross multiply
    283,260.54x = 424,693.98 × 125,402.88
  4. Step 4: Simplify right side
    283,260.54x = 53,257,848,210.66
  5. Step 5: Solve for x
    x = 53,257,848,210.66/283,260.54
  6. Step 6: Final answer
    x = 188,017.18

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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.