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Finding the Fourth Proportional to 266,674.59, 368,103.60 and 153,542.43

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Solution

The fourth proportional to 266,674.59, 368,103.60 and 153,542.43 is: 211,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,674.59 : 368,103.60 = 153,542.43 : x
  2. Step 2: Convert to fraction form
    266,674.59/368,103.60 = 153,542.43/x
  3. Step 3: Cross multiply
    266,674.59x = 368,103.60 × 153,542.43
  4. Step 4: Simplify right side
    266,674.59x = 56,519,521,235.75
  5. Step 5: Solve for x
    x = 56,519,521,235.75/266,674.59
  6. Step 6: Final answer
    x = 211,941.91

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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.