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Finding the Fourth Proportional to 226,681, 340,019.47 and 84,521.44

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Solution

The fourth proportional to 226,681, 340,019.47 and 84,521.44 is: 126,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,681 : 340,019.47 = 84,521.44 : x
  2. Step 2: Convert to fraction form
    226,681/340,019.47 = 84,521.44/x
  3. Step 3: Cross multiply
    226,681x = 340,019.47 × 84,521.44
  4. Step 4: Simplify right side
    226,681x = 28,738,935,232.44
  5. Step 5: Solve for x
    x = 28,738,935,232.44/226,681
  6. Step 6: Final answer
    x = 126,781.40

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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.