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Finding the Fourth Proportional to 234,646.88, 352,036.53 and 66,168.80

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Solution

The fourth proportional to 234,646.88, 352,036.53 and 66,168.80 is: 99,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,646.88 : 352,036.53 = 66,168.80 : x
  2. Step 2: Convert to fraction form
    234,646.88/352,036.53 = 66,168.80/x
  3. Step 3: Cross multiply
    234,646.88x = 352,036.53 × 66,168.80
  4. Step 4: Simplify right side
    234,646.88x = 23,293,834,306.22
  5. Step 5: Solve for x
    x = 23,293,834,306.22/234,646.88
  6. Step 6: Final answer
    x = 99,271.87

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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.