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Finding the Fourth Proportional to 70,472.61, 97,225.08 and 44,979.89

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Solution

The fourth proportional to 70,472.61, 97,225.08 and 44,979.89 is: 62,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,472.61 : 97,225.08 = 44,979.89 : x
  2. Step 2: Convert to fraction form
    70,472.61/97,225.08 = 44,979.89/x
  3. Step 3: Cross multiply
    70,472.61x = 97,225.08 × 44,979.89
  4. Step 4: Simplify right side
    70,472.61x = 4,373,172,917.52
  5. Step 5: Solve for x
    x = 4,373,172,917.52/70,472.61
  6. Step 6: Final answer
    x = 62,054.93

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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.