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Finding the Fourth Proportional to 251,843.12, 377,673.95 and 83,332.34

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Solution

The fourth proportional to 251,843.12, 377,673.95 and 83,332.34 is: 124,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,843.12 : 377,673.95 = 83,332.34 : x
  2. Step 2: Convert to fraction form
    251,843.12/377,673.95 = 83,332.34/x
  3. Step 3: Cross multiply
    251,843.12x = 377,673.95 × 83,332.34
  4. Step 4: Simplify right side
    251,843.12x = 31,472,451,705.51
  5. Step 5: Solve for x
    x = 31,472,451,705.51/251,843.12
  6. Step 6: Final answer
    x = 124,968.48

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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.