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Finding the Fourth Proportional to 220,334.64, 304,061.78 and 119,732.64

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Solution

The fourth proportional to 220,334.64, 304,061.78 and 119,732.64 is: 165,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,334.64 : 304,061.78 = 119,732.64 : x
  2. Step 2: Convert to fraction form
    220,334.64/304,061.78 = 119,732.64/x
  3. Step 3: Cross multiply
    220,334.64x = 304,061.78 × 119,732.64
  4. Step 4: Simplify right side
    220,334.64x = 36,406,119,642.50
  5. Step 5: Solve for x
    x = 36,406,119,642.50/220,334.64
  6. Step 6: Final answer
    x = 165,231.03

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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.