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Finding the Fourth Proportional to 283,755.52, 425,702.40 and 86,763.52

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Solution

The fourth proportional to 283,755.52, 425,702.40 and 86,763.52 is: 130,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,755.52 : 425,702.40 = 86,763.52 : x
  2. Step 2: Convert to fraction form
    283,755.52/425,702.40 = 86,763.52/x
  3. Step 3: Cross multiply
    283,755.52x = 425,702.40 × 86,763.52
  4. Step 4: Simplify right side
    283,755.52x = 36,935,438,696.45
  5. Step 5: Solve for x
    x = 36,935,438,696.45/283,755.52
  6. Step 6: Final answer
    x = 130,166.41

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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.