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Finding the Fourth Proportional to 266,712.54, 400,108.59 and 98,219.94

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Solution

The fourth proportional to 266,712.54, 400,108.59 and 98,219.94 is: 147,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,712.54 : 400,108.59 = 98,219.94 : x
  2. Step 2: Convert to fraction form
    266,712.54/400,108.59 = 98,219.94/x
  3. Step 3: Cross multiply
    266,712.54x = 400,108.59 × 98,219.94
  4. Step 4: Simplify right side
    266,712.54x = 39,298,641,703.28
  5. Step 5: Solve for x
    x = 39,298,641,703.28/266,712.54
  6. Step 6: Final answer
    x = 147,344.56

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1.5x scale

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.