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Finding the Fourth Proportional to 242,584.80, 363,877.20 and 94,840.80

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Solution

The fourth proportional to 242,584.80, 363,877.20 and 94,840.80 is: 142,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,584.80 : 363,877.20 = 94,840.80 : x
  2. Step 2: Convert to fraction form
    242,584.80/363,877.20 = 94,840.80/x
  3. Step 3: Cross multiply
    242,584.80x = 363,877.20 × 94,840.80
  4. Step 4: Simplify right side
    242,584.80x = 34,510,404,749.76
  5. Step 5: Solve for x
    x = 34,510,404,749.76/242,584.80
  6. Step 6: Final answer
    x = 142,261.20

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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.