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Finding the Fourth Proportional to 195,132.93, 292,797.81 and 76,889.13

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Solution

The fourth proportional to 195,132.93, 292,797.81 and 76,889.13 is: 115,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,132.93 : 292,797.81 = 76,889.13 : x
  2. Step 2: Convert to fraction form
    195,132.93/292,797.81 = 76,889.13/x
  3. Step 3: Cross multiply
    195,132.93x = 292,797.81 × 76,889.13
  4. Step 4: Simplify right side
    195,132.93x = 22,512,968,876.81
  5. Step 5: Solve for x
    x = 22,512,968,876.81/195,132.93
  6. Step 6: Final answer
    x = 115,372.47

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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.