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Finding the Fourth Proportional to 251,693.12, 377,582.88 and 83,253.44

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Solution

The fourth proportional to 251,693.12, 377,582.88 and 83,253.44 is: 124,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,693.12 : 377,582.88 = 83,253.44 : x
  2. Step 2: Convert to fraction form
    251,693.12/377,582.88 = 83,253.44/x
  3. Step 3: Cross multiply
    251,693.12x = 377,582.88 × 83,253.44
  4. Step 4: Simplify right side
    251,693.12x = 31,435,073,645.11
  5. Step 5: Solve for x
    x = 31,435,073,645.11/251,693.12
  6. Step 6: Final answer
    x = 124,894.45

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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.