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Finding the Fourth Proportional to 70,392.72, 97,062.16 and 44,864.88

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Solution

The fourth proportional to 70,392.72, 97,062.16 and 44,864.88 is: 61,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,392.72 : 97,062.16 = 44,864.88 : x
  2. Step 2: Convert to fraction form
    70,392.72/97,062.16 = 44,864.88/x
  3. Step 3: Cross multiply
    70,392.72x = 97,062.16 × 44,864.88
  4. Step 4: Simplify right side
    70,392.72x = 4,354,682,160.94
  5. Step 5: Solve for x
    x = 4,354,682,160.94/70,392.72
  6. Step 6: Final answer
    x = 61,862.68

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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.