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Finding the Fourth Proportional to 266,522.18, 367,799.72 and 145,663.43

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Solution

The fourth proportional to 266,522.18, 367,799.72 and 145,663.43 is: 201,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,522.18 : 367,799.72 = 145,663.43 : x
  2. Step 2: Convert to fraction form
    266,522.18/367,799.72 = 145,663.43/x
  3. Step 3: Cross multiply
    266,522.18x = 367,799.72 × 145,663.43
  4. Step 4: Simplify right side
    266,522.18x = 53,574,969,703.67
  5. Step 5: Solve for x
    x = 53,574,969,703.67/266,522.18
  6. Step 6: Final answer
    x = 201,015.05

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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.