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Finding the Fourth Proportional to 206,807.58, 310,238.10 and 73,726.20

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Solution

The fourth proportional to 206,807.58, 310,238.10 and 73,726.20 is: 110,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,807.58 : 310,238.10 = 73,726.20 : x
  2. Step 2: Convert to fraction form
    206,807.58/310,238.10 = 73,726.20/x
  3. Step 3: Cross multiply
    206,807.58x = 310,238.10 × 73,726.20
  4. Step 4: Simplify right side
    206,807.58x = 22,872,676,208.22
  5. Step 5: Solve for x
    x = 22,872,676,208.22/206,807.58
  6. Step 6: Final answer
    x = 110,598.83

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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.