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Finding the Fourth Proportional to 251,365.93, 346,864.36 and 147,983.71

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Solution

The fourth proportional to 251,365.93, 346,864.36 and 147,983.71 is: 204,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,365.93 : 346,864.36 = 147,983.71 : x
  2. Step 2: Convert to fraction form
    251,365.93/346,864.36 = 147,983.71/x
  3. Step 3: Cross multiply
    251,365.93x = 346,864.36 × 147,983.71
  4. Step 4: Simplify right side
    251,365.93x = 51,330,274,859.58
  5. Step 5: Solve for x
    x = 51,330,274,859.58/251,365.93
  6. Step 6: Final answer
    x = 204,205.38

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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.