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Finding the Fourth Proportional to 218,810.91, 301,843.36 and 150,710.77

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Solution

The fourth proportional to 218,810.91, 301,843.36 and 150,710.77 is: 207,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,810.91 : 301,843.36 = 150,710.77 : x
  2. Step 2: Convert to fraction form
    218,810.91/301,843.36 = 150,710.77/x
  3. Step 3: Cross multiply
    218,810.91x = 301,843.36 × 150,710.77
  4. Step 4: Simplify right side
    218,810.91x = 45,491,045,204.99
  5. Step 5: Solve for x
    x = 45,491,045,204.99/218,810.91
  6. Step 6: Final answer
    x = 207,901.17

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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.