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Finding the Fourth Proportional to 95,637.14, 131,978.90 and 53,195.68

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Solution

The fourth proportional to 95,637.14, 131,978.90 and 53,195.68 is: 73,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,637.14 : 131,978.90 = 53,195.68 : x
  2. Step 2: Convert to fraction form
    95,637.14/131,978.90 = 53,195.68/x
  3. Step 3: Cross multiply
    95,637.14x = 131,978.90 × 53,195.68
  4. Step 4: Simplify right side
    95,637.14x = 7,020,707,331.15
  5. Step 5: Solve for x
    x = 7,020,707,331.15/95,637.14
  6. Step 6: Final answer
    x = 73,409.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.