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Finding the Fourth Proportional to 266,043.32, 367,202.82 and 152,931.80

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Solution

The fourth proportional to 266,043.32, 367,202.82 and 152,931.80 is: 211,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,043.32 : 367,202.82 = 152,931.80 : x
  2. Step 2: Convert to fraction form
    266,043.32/367,202.82 = 152,931.80/x
  3. Step 3: Cross multiply
    266,043.32x = 367,202.82 × 152,931.80
  4. Step 4: Simplify right side
    266,043.32x = 56,156,988,227.68
  5. Step 5: Solve for x
    x = 56,156,988,227.68/266,043.32
  6. Step 6: Final answer
    x = 211,082.12

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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.