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Finding the Fourth Proportional to 195,655.80, 293,516.10 and 83,389.80

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Solution

The fourth proportional to 195,655.80, 293,516.10 and 83,389.80 is: 125,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,655.80 : 293,516.10 = 83,389.80 : x
  2. Step 2: Convert to fraction form
    195,655.80/293,516.10 = 83,389.80/x
  3. Step 3: Cross multiply
    195,655.80x = 293,516.10 × 83,389.80
  4. Step 4: Simplify right side
    195,655.80x = 24,476,248,875.78
  5. Step 5: Solve for x
    x = 24,476,248,875.78/195,655.80
  6. Step 6: Final answer
    x = 125,098.51

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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.