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Finding the Fourth Proportional to 195,988.84, 293,986.68 and 55,751.20

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Solution

The fourth proportional to 195,988.84, 293,986.68 and 55,751.20 is: 83,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,988.84 : 293,986.68 = 55,751.20 : x
  2. Step 2: Convert to fraction form
    195,988.84/293,986.68 = 55,751.20/x
  3. Step 3: Cross multiply
    195,988.84x = 293,986.68 × 55,751.20
  4. Step 4: Simplify right side
    195,988.84x = 16,390,110,194.02
  5. Step 5: Solve for x
    x = 16,390,110,194.02/195,988.84
  6. Step 6: Final answer
    x = 83,627.77

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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.