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Finding the Fourth Proportional to 70,963.98, 97,838.91 and 58,169.58

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Solution

The fourth proportional to 70,963.98, 97,838.91 and 58,169.58 is: 80,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.98 : 97,838.91 = 58,169.58 : x
  2. Step 2: Convert to fraction form
    70,963.98/97,838.91 = 58,169.58/x
  3. Step 3: Cross multiply
    70,963.98x = 97,838.91 × 58,169.58
  4. Step 4: Simplify right side
    70,963.98x = 5,691,248,302.36
  5. Step 5: Solve for x
    x = 5,691,248,302.36/70,963.98
  6. Step 6: Final answer
    x = 80,199.11

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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.