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Finding the Fourth Proportional to 195,886.18, 293,656.94 and 77,640.52

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Solution

The fourth proportional to 195,886.18, 293,656.94 and 77,640.52 is: 116,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,886.18 : 293,656.94 = 77,640.52 : x
  2. Step 2: Convert to fraction form
    195,886.18/293,656.94 = 77,640.52/x
  3. Step 3: Cross multiply
    195,886.18x = 293,656.94 × 77,640.52
  4. Step 4: Simplify right side
    195,886.18x = 22,799,677,523.21
  5. Step 5: Solve for x
    x = 22,799,677,523.21/195,886.18
  6. Step 6: Final answer
    x = 116,392.48

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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.