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Finding the Fourth Proportional to 266,167.76, 367,317.08 and 145,314.14

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Solution

The fourth proportional to 266,167.76, 367,317.08 and 145,314.14 is: 200,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,167.76 : 367,317.08 = 145,314.14 : x
  2. Step 2: Convert to fraction form
    266,167.76/367,317.08 = 145,314.14/x
  3. Step 3: Cross multiply
    266,167.76x = 367,317.08 × 145,314.14
  4. Step 4: Simplify right side
    266,167.76x = 53,376,364,946.72
  5. Step 5: Solve for x
    x = 53,376,364,946.72/266,167.76
  6. Step 6: Final answer
    x = 200,536.55

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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.