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Finding the Fourth Proportional to 223,225.52, 308,018.90 and 127,714.37

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Solution

The fourth proportional to 223,225.52, 308,018.90 and 127,714.37 is: 176,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,225.52 : 308,018.90 = 127,714.37 : x
  2. Step 2: Convert to fraction form
    223,225.52/308,018.90 = 127,714.37/x
  3. Step 3: Cross multiply
    223,225.52x = 308,018.90 × 127,714.37
  4. Step 4: Simplify right side
    223,225.52x = 39,338,438,540.78
  5. Step 5: Solve for x
    x = 39,338,438,540.78/223,225.52
  6. Step 6: Final answer
    x = 176,227.34

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1.5x scale

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.