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Finding the Fourth Proportional to 84,841.98, 117,073.74 and 50,849.88

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Solution

The fourth proportional to 84,841.98, 117,073.74 and 50,849.88 is: 70,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.98 : 117,073.74 = 50,849.88 : x
  2. Step 2: Convert to fraction form
    84,841.98/117,073.74 = 50,849.88/x
  3. Step 3: Cross multiply
    84,841.98x = 117,073.74 × 50,849.88
  4. Step 4: Simplify right side
    84,841.98x = 5,953,185,630.15
  5. Step 5: Solve for x
    x = 5,953,185,630.15/84,841.98
  6. Step 6: Final answer
    x = 70,167.92

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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.