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Finding the Fourth Proportional to 67,088.35, 100,642.30 and 22,700.05

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Solution

The fourth proportional to 67,088.35, 100,642.30 and 22,700.05 is: 34,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,088.35 : 100,642.30 = 22,700.05 : x
  2. Step 2: Convert to fraction form
    67,088.35/100,642.30 = 22,700.05/x
  3. Step 3: Cross multiply
    67,088.35x = 100,642.30 × 22,700.05
  4. Step 4: Simplify right side
    67,088.35x = 2,284,584,933.76
  5. Step 5: Solve for x
    x = 2,284,584,933.76/67,088.35
  6. Step 6: Final answer
    x = 34,053.38

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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.