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Finding the Fourth Proportional to 195,224.88, 292,283.88 and 128,464.24

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Solution

The fourth proportional to 195,224.88, 292,283.88 and 128,464.24 is: 192,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,224.88 : 292,283.88 = 128,464.24 : x
  2. Step 2: Convert to fraction form
    195,224.88/292,283.88 = 128,464.24/x
  3. Step 3: Cross multiply
    195,224.88x = 292,283.88 × 128,464.24
  4. Step 4: Simplify right side
    195,224.88x = 37,548,026,508.45
  5. Step 5: Solve for x
    x = 37,548,026,508.45/195,224.88
  6. Step 6: Final answer
    x = 192,332.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.