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Finding the Fourth Proportional to 140,001.99, 193,195.74 and 79,564.65

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Solution

The fourth proportional to 140,001.99, 193,195.74 and 79,564.65 is: 109,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.99 : 193,195.74 = 79,564.65 : x
  2. Step 2: Convert to fraction form
    140,001.99/193,195.74 = 79,564.65/x
  3. Step 3: Cross multiply
    140,001.99x = 193,195.74 × 79,564.65
  4. Step 4: Simplify right side
    140,001.99x = 15,371,551,434.59
  5. Step 5: Solve for x
    x = 15,371,551,434.59/140,001.99
  6. Step 6: Final answer
    x = 109,795.24

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1.5x scale

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.