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Finding the Fourth Proportional to 223,087.86, 307,862.37 and 127,598.58

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Solution

The fourth proportional to 223,087.86, 307,862.37 and 127,598.58 is: 176,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,087.86 : 307,862.37 = 127,598.58 : x
  2. Step 2: Convert to fraction form
    223,087.86/307,862.37 = 127,598.58/x
  3. Step 3: Cross multiply
    223,087.86x = 307,862.37 × 127,598.58
  4. Step 4: Simplify right side
    223,087.86x = 39,282,801,247.43
  5. Step 5: Solve for x
    x = 39,282,801,247.43/223,087.86
  6. Step 6: Final answer
    x = 176,086.68

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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.