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Finding the Fourth Proportional to 97,964.98, 146,805.65 and 67,538.89

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Solution

The fourth proportional to 97,964.98, 146,805.65 and 67,538.89 is: 101,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,964.98 : 146,805.65 = 67,538.89 : x
  2. Step 2: Convert to fraction form
    97,964.98/146,805.65 = 67,538.89/x
  3. Step 3: Cross multiply
    97,964.98x = 146,805.65 × 67,538.89
  4. Step 4: Simplify right side
    97,964.98x = 9,915,090,404.15
  5. Step 5: Solve for x
    x = 9,915,090,404.15/97,964.98
  6. Step 6: Final answer
    x = 101,210.55

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1.5x scale

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.