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Finding the Fourth Proportional to 238,793.66, 358,067.16 and 70,292.09

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Solution

The fourth proportional to 238,793.66, 358,067.16 and 70,292.09 is: 105,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,793.66 : 358,067.16 = 70,292.09 : x
  2. Step 2: Convert to fraction form
    238,793.66/358,067.16 = 70,292.09/x
  3. Step 3: Cross multiply
    238,793.66x = 358,067.16 × 70,292.09
  4. Step 4: Simplify right side
    238,793.66x = 25,169,289,036.76
  5. Step 5: Solve for x
    x = 25,169,289,036.76/238,793.66
  6. Step 6: Final answer
    x = 105,401.83

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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.