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Finding the Fourth Proportional to 236,951.55, 355,427.28 and 94,860.78

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Solution

The fourth proportional to 236,951.55, 355,427.28 and 94,860.78 is: 142,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,951.55 : 355,427.28 = 94,860.78 : x
  2. Step 2: Convert to fraction form
    236,951.55/355,427.28 = 94,860.78/x
  3. Step 3: Cross multiply
    236,951.55x = 355,427.28 × 94,860.78
  4. Step 4: Simplify right side
    236,951.55x = 33,716,109,014.08
  5. Step 5: Solve for x
    x = 33,716,109,014.08/236,951.55
  6. Step 6: Final answer
    x = 142,291.15

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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.