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Finding the Fourth Proportional to 266,392.50, 367,621.65 and 147,160.50

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Solution

The fourth proportional to 266,392.50, 367,621.65 and 147,160.50 is: 203,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,392.50 : 367,621.65 = 147,160.50 : x
  2. Step 2: Convert to fraction form
    266,392.50/367,621.65 = 147,160.50/x
  3. Step 3: Cross multiply
    266,392.50x = 367,621.65 × 147,160.50
  4. Step 4: Simplify right side
    266,392.50x = 54,099,385,824.83
  5. Step 5: Solve for x
    x = 54,099,385,824.83/266,392.50
  6. Step 6: Final answer
    x = 203,081.49

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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.