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Finding the Fourth Proportional to 227,988.88, 314,614.88 and 126,009.08

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Solution

The fourth proportional to 227,988.88, 314,614.88 and 126,009.08 is: 173,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,988.88 : 314,614.88 = 126,009.08 : x
  2. Step 2: Convert to fraction form
    227,988.88/314,614.88 = 126,009.08/x
  3. Step 3: Cross multiply
    227,988.88x = 314,614.88 × 126,009.08
  4. Step 4: Simplify right side
    227,988.88x = 39,644,331,583.11
  5. Step 5: Solve for x
    x = 39,644,331,583.11/227,988.88
  6. Step 6: Final answer
    x = 173,887.13

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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.