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Finding the Fourth Proportional to 266,600.58, 367,909.11 and 153,423.42

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Solution

The fourth proportional to 266,600.58, 367,909.11 and 153,423.42 is: 211,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,600.58 : 367,909.11 = 153,423.42 : x
  2. Step 2: Convert to fraction form
    266,600.58/367,909.11 = 153,423.42/x
  3. Step 3: Cross multiply
    266,600.58x = 367,909.11 × 153,423.42
  4. Step 4: Simplify right side
    266,600.58x = 56,445,873,905.36
  5. Step 5: Solve for x
    x = 56,445,873,905.36/266,600.58
  6. Step 6: Final answer
    x = 211,724.50

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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.