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Finding the Fourth Proportional to 234,646.35, 351,938.30 and 66,180.21

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Solution

The fourth proportional to 234,646.35, 351,938.30 and 66,180.21 is: 99,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,646.35 : 351,938.30 = 66,180.21 : x
  2. Step 2: Convert to fraction form
    234,646.35/351,938.30 = 66,180.21/x
  3. Step 3: Cross multiply
    234,646.35x = 351,938.30 × 66,180.21
  4. Step 4: Simplify right side
    234,646.35x = 23,291,350,270.14
  5. Step 5: Solve for x
    x = 23,291,350,270.14/234,646.35
  6. Step 6: Final answer
    x = 99,261.51

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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.