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Finding the Fourth Proportional to 227,590.52, 314,074.68 and 126,988.52

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Solution

The fourth proportional to 227,590.52, 314,074.68 and 126,988.52 is: 175,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,590.52 : 314,074.68 = 126,988.52 : x
  2. Step 2: Convert to fraction form
    227,590.52/314,074.68 = 126,988.52/x
  3. Step 3: Cross multiply
    227,590.52x = 314,074.68 × 126,988.52
  4. Step 4: Simplify right side
    227,590.52x = 39,883,878,782.67
  5. Step 5: Solve for x
    x = 39,883,878,782.67/227,590.52
  6. Step 6: Final answer
    x = 175,244.03

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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.