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Finding the Fourth Proportional to 266,901.90, 368,321.49 and 146,041.80

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Solution

The fourth proportional to 266,901.90, 368,321.49 and 146,041.80 is: 201,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,901.90 : 368,321.49 = 146,041.80 : x
  2. Step 2: Convert to fraction form
    266,901.90/368,321.49 = 146,041.80/x
  3. Step 3: Cross multiply
    266,901.90x = 368,321.49 × 146,041.80
  4. Step 4: Simplify right side
    266,901.90x = 53,790,333,378.28
  5. Step 5: Solve for x
    x = 53,790,333,378.28/266,901.90
  6. Step 6: Final answer
    x = 201,535.97

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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.