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Finding the Fourth Proportional to 195,840, 293,759.28 and 55,598.64

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Solution

The fourth proportional to 195,840, 293,759.28 and 55,598.64 is: 83,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,840 : 293,759.28 = 55,598.64 : x
  2. Step 2: Convert to fraction form
    195,840/293,759.28 = 55,598.64/x
  3. Step 3: Cross multiply
    195,840x = 293,759.28 × 55,598.64
  4. Step 4: Simplify right side
    195,840x = 16,332,616,455.38
  5. Step 5: Solve for x
    x = 16,332,616,455.38/195,840
  6. Step 6: Final answer
    x = 83,397.76

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Why These Related Problems?

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