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Finding the Fourth Proportional to 97,101.33, 145,659.90 and 26,980.65

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Solution

The fourth proportional to 97,101.33, 145,659.90 and 26,980.65 is: 40,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,101.33 : 145,659.90 = 26,980.65 : x
  2. Step 2: Convert to fraction form
    97,101.33/145,659.90 = 26,980.65/x
  3. Step 3: Cross multiply
    97,101.33x = 145,659.90 × 26,980.65
  4. Step 4: Simplify right side
    97,101.33x = 3,929,998,780.94
  5. Step 5: Solve for x
    x = 3,929,998,780.94/97,101.33
  6. Step 6: Final answer
    x = 40,473.17

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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.