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Finding the Fourth Proportional to 201,162.84, 301,781.16 and 66,234.60

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Solution

The fourth proportional to 201,162.84, 301,781.16 and 66,234.60 is: 99,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,162.84 : 301,781.16 = 66,234.60 : x
  2. Step 2: Convert to fraction form
    201,162.84/301,781.16 = 66,234.60/x
  3. Step 3: Cross multiply
    201,162.84x = 301,781.16 × 66,234.60
  4. Step 4: Simplify right side
    201,162.84x = 19,988,354,420.14
  5. Step 5: Solve for x
    x = 19,988,354,420.14/201,162.84
  6. Step 6: Final answer
    x = 99,364.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.