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Finding the Fourth Proportional to 223,455.33, 308,352.29 and 127,959.57

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Solution

The fourth proportional to 223,455.33, 308,352.29 and 127,959.57 is: 176,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,455.33 : 308,352.29 = 127,959.57 : x
  2. Step 2: Convert to fraction form
    223,455.33/308,352.29 = 127,959.57/x
  3. Step 3: Cross multiply
    223,455.33x = 308,352.29 × 127,959.57
  4. Step 4: Simplify right side
    223,455.33x = 39,456,625,797.12
  5. Step 5: Solve for x
    x = 39,456,625,797.12/223,455.33
  6. Step 6: Final answer
    x = 176,575.00

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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.