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Finding the Fourth Proportional to 70,070.41, 105,054.70 and 27,937.85

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Solution

The fourth proportional to 70,070.41, 105,054.70 and 27,937.85 is: 41,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.41 : 105,054.70 = 27,937.85 : x
  2. Step 2: Convert to fraction form
    70,070.41/105,054.70 = 27,937.85/x
  3. Step 3: Cross multiply
    70,070.41x = 105,054.70 × 27,937.85
  4. Step 4: Simplify right side
    70,070.41x = 2,935,002,715.48
  5. Step 5: Solve for x
    x = 2,935,002,715.48/70,070.41
  6. Step 6: Final answer
    x = 41,886.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.