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Finding the Fourth Proportional to 193,002.99, 266,422.28 and 125,078.28

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Solution

The fourth proportional to 193,002.99, 266,422.28 and 125,078.28 is: 172,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,002.99 : 266,422.28 = 125,078.28 : x
  2. Step 2: Convert to fraction form
    193,002.99/266,422.28 = 125,078.28/x
  3. Step 3: Cross multiply
    193,002.99x = 266,422.28 × 125,078.28
  4. Step 4: Simplify right side
    193,002.99x = 33,323,639,910.69
  5. Step 5: Solve for x
    x = 33,323,639,910.69/193,002.99
  6. Step 6: Final answer
    x = 172,658.67

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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.