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Finding the Fourth Proportional to 266,615.82, 400,024.74 and 160,074.18

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Solution

The fourth proportional to 266,615.82, 400,024.74 and 160,074.18 is: 240,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,615.82 : 400,024.74 = 160,074.18 : x
  2. Step 2: Convert to fraction form
    266,615.82/400,024.74 = 160,074.18/x
  3. Step 3: Cross multiply
    266,615.82x = 400,024.74 × 160,074.18
  4. Step 4: Simplify right side
    266,615.82x = 64,033,632,235.21
  5. Step 5: Solve for x
    x = 64,033,632,235.21/266,615.82
  6. Step 6: Final answer
    x = 240,171.92

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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.