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Finding the Fourth Proportional to 70,370.98, 97,112.10 and 38,105.95

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Solution

The fourth proportional to 70,370.98, 97,112.10 and 38,105.95 is: 52,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.98 : 97,112.10 = 38,105.95 : x
  2. Step 2: Convert to fraction form
    70,370.98/97,112.10 = 38,105.95/x
  3. Step 3: Cross multiply
    70,370.98x = 97,112.10 × 38,105.95
  4. Step 4: Simplify right side
    70,370.98x = 3,700,548,827.00
  5. Step 5: Solve for x
    x = 3,700,548,827.00/70,370.98
  6. Step 6: Final answer
    x = 52,586.29

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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.