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Finding the Fourth Proportional to 84,488.39, 116,619.96 and 48,702.32

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Solution

The fourth proportional to 84,488.39, 116,619.96 and 48,702.32 is: 67,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.39 : 116,619.96 = 48,702.32 : x
  2. Step 2: Convert to fraction form
    84,488.39/116,619.96 = 48,702.32/x
  3. Step 3: Cross multiply
    84,488.39x = 116,619.96 × 48,702.32
  4. Step 4: Simplify right side
    84,488.39x = 5,679,662,610.31
  5. Step 5: Solve for x
    x = 5,679,662,610.31/84,488.39
  6. Step 6: Final answer
    x = 67,224.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.