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Finding the Fourth Proportional to 192,055.59, 288,130.11 and 63,971.55

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Solution

The fourth proportional to 192,055.59, 288,130.11 and 63,971.55 is: 95,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,055.59 : 288,130.11 = 63,971.55 : x
  2. Step 2: Convert to fraction form
    192,055.59/288,130.11 = 63,971.55/x
  3. Step 3: Cross multiply
    192,055.59x = 288,130.11 × 63,971.55
  4. Step 4: Simplify right side
    192,055.59x = 18,432,129,738.37
  5. Step 5: Solve for x
    x = 18,432,129,738.37/192,055.59
  6. Step 6: Final answer
    x = 95,972.89

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1.5x scale

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.