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Finding the Fourth Proportional to 234,518.80, 351,778.20 and 94,205.20

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Solution

The fourth proportional to 234,518.80, 351,778.20 and 94,205.20 is: 141,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,518.80 : 351,778.20 = 94,205.20 : x
  2. Step 2: Convert to fraction form
    234,518.80/351,778.20 = 94,205.20/x
  3. Step 3: Cross multiply
    234,518.80x = 351,778.20 × 94,205.20
  4. Step 4: Simplify right side
    234,518.80x = 33,139,335,686.64
  5. Step 5: Solve for x
    x = 33,139,335,686.64/234,518.80
  6. Step 6: Final answer
    x = 141,307.80

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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.