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Finding the Fourth Proportional to 266,191.84, 367,329 and 153,014.72

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Solution

The fourth proportional to 266,191.84, 367,329 and 153,014.72 is: 211,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,191.84 : 367,329 = 153,014.72 : x
  2. Step 2: Convert to fraction form
    266,191.84/367,329 = 153,014.72/x
  3. Step 3: Cross multiply
    266,191.84x = 367,329 × 153,014.72
  4. Step 4: Simplify right side
    266,191.84x = 56,206,744,082.88
  5. Step 5: Solve for x
    x = 56,206,744,082.88/266,191.84
  6. Step 6: Final answer
    x = 211,151.27

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1.5x scale

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.