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Finding the Fourth Proportional to 181,223.94, 250,087.56 and 99,553.56

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Solution

The fourth proportional to 181,223.94, 250,087.56 and 99,553.56 is: 137,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,223.94 : 250,087.56 = 99,553.56 : x
  2. Step 2: Convert to fraction form
    181,223.94/250,087.56 = 99,553.56/x
  3. Step 3: Cross multiply
    181,223.94x = 250,087.56 × 99,553.56
  4. Step 4: Simplify right side
    181,223.94x = 24,897,106,909.71
  5. Step 5: Solve for x
    x = 24,897,106,909.71/181,223.94
  6. Step 6: Final answer
    x = 137,383.10

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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.