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Finding the Fourth Proportional to 97,499.88, 146,152.94 and 67,855.43

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Solution

The fourth proportional to 97,499.88, 146,152.94 and 67,855.43 is: 101,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,499.88 : 146,152.94 = 67,855.43 : x
  2. Step 2: Convert to fraction form
    97,499.88/146,152.94 = 67,855.43/x
  3. Step 3: Cross multiply
    97,499.88x = 146,152.94 × 67,855.43
  4. Step 4: Simplify right side
    97,499.88x = 9,917,270,615.57
  5. Step 5: Solve for x
    x = 9,917,270,615.57/97,499.88
  6. Step 6: Final answer
    x = 101,715.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.