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Finding the Fourth Proportional to 227,615.72, 314,109.72 and 125,641.22

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Solution

The fourth proportional to 227,615.72, 314,109.72 and 125,641.22 is: 173,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,615.72 : 314,109.72 = 125,641.22 : x
  2. Step 2: Convert to fraction form
    227,615.72/314,109.72 = 125,641.22/x
  3. Step 3: Cross multiply
    227,615.72x = 314,109.72 × 125,641.22
  4. Step 4: Simplify right side
    227,615.72x = 39,465,128,434.66
  5. Step 5: Solve for x
    x = 39,465,128,434.66/227,615.72
  6. Step 6: Final answer
    x = 173,384.90

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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.