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Finding the Fourth Proportional to 84,488.66, 116,581.30 and 48,671.66

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Solution

The fourth proportional to 84,488.66, 116,581.30 and 48,671.66 is: 67,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.66 : 116,581.30 = 48,671.66 : x
  2. Step 2: Convert to fraction form
    84,488.66/116,581.30 = 48,671.66/x
  3. Step 3: Cross multiply
    84,488.66x = 116,581.30 × 48,671.66
  4. Step 4: Simplify right side
    84,488.66x = 5,674,205,395.96
  5. Step 5: Solve for x
    x = 5,674,205,395.96/84,488.66
  6. Step 6: Final answer
    x = 67,159.37

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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.