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Finding the Fourth Proportional to 84,339.98, 116,408.58 and 48,550.76

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Solution

The fourth proportional to 84,339.98, 116,408.58 and 48,550.76 is: 67,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,339.98 : 116,408.58 = 48,550.76 : x
  2. Step 2: Convert to fraction form
    84,339.98/116,408.58 = 48,550.76/x
  3. Step 3: Cross multiply
    84,339.98x = 116,408.58 × 48,550.76
  4. Step 4: Simplify right side
    84,339.98x = 5,651,725,029.52
  5. Step 5: Solve for x
    x = 5,651,725,029.52/84,339.98
  6. Step 6: Final answer
    x = 67,011.22

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1.5x scale

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.