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Finding the Fourth Proportional to 169,813.55, 234,548.22 and 123,800.33

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Solution

The fourth proportional to 169,813.55, 234,548.22 and 123,800.33 is: 170,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,813.55 : 234,548.22 = 123,800.33 : x
  2. Step 2: Convert to fraction form
    169,813.55/234,548.22 = 123,800.33/x
  3. Step 3: Cross multiply
    169,813.55x = 234,548.22 × 123,800.33
  4. Step 4: Simplify right side
    169,813.55x = 29,037,145,864.17
  5. Step 5: Solve for x
    x = 29,037,145,864.17/169,813.55
  6. Step 6: Final answer
    x = 170,994.29

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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.