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Finding the Fourth Proportional to 70,470.85, 97,222.67 and 44,978.13

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Solution

The fourth proportional to 70,470.85, 97,222.67 and 44,978.13 is: 62,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,470.85 : 97,222.67 = 44,978.13 : x
  2. Step 2: Convert to fraction form
    70,470.85/97,222.67 = 44,978.13/x
  3. Step 3: Cross multiply
    70,470.85x = 97,222.67 × 44,978.13
  4. Step 4: Simplify right side
    70,470.85x = 4,372,893,890.21
  5. Step 5: Solve for x
    x = 4,372,893,890.21/70,470.85
  6. Step 6: Final answer
    x = 62,052.52

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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.