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Finding the Fourth Proportional to 70,306.88, 97,064.48 and 60,860.48

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Solution

The fourth proportional to 70,306.88, 97,064.48 and 60,860.48 is: 84,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306.88 : 97,064.48 = 60,860.48 : x
  2. Step 2: Convert to fraction form
    70,306.88/97,064.48 = 60,860.48/x
  3. Step 3: Cross multiply
    70,306.88x = 97,064.48 × 60,860.48
  4. Step 4: Simplify right side
    70,306.88x = 5,907,390,843.75
  5. Step 5: Solve for x
    x = 5,907,390,843.75/70,306.88
  6. Step 6: Final answer
    x = 84,022.94

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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.