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Finding the Fourth Proportional to 266,531.91, 367,807.80 and 145,673.97

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Solution

The fourth proportional to 266,531.91, 367,807.80 and 145,673.97 is: 201,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,531.91 : 367,807.80 = 145,673.97 : x
  2. Step 2: Convert to fraction form
    266,531.91/367,807.80 = 145,673.97/x
  3. Step 3: Cross multiply
    266,531.91x = 367,807.80 × 145,673.97
  4. Step 4: Simplify right side
    266,531.91x = 53,580,022,422.97
  5. Step 5: Solve for x
    x = 53,580,022,422.97/266,531.91
  6. Step 6: Final answer
    x = 201,026.67

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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.