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Finding the Fourth Proportional to 368,158.21, 552,246.71 and 101,921.02

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Solution

The fourth proportional to 368,158.21, 552,246.71 and 101,921.02 is: 152,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,158.21 : 552,246.71 = 101,921.02 : x
  2. Step 2: Convert to fraction form
    368,158.21/552,246.71 = 101,921.02/x
  3. Step 3: Cross multiply
    368,158.21x = 552,246.71 × 101,921.02
  4. Step 4: Simplify right side
    368,158.21x = 56,285,546,084.62
  5. Step 5: Solve for x
    x = 56,285,546,084.62/368,158.21
  6. Step 6: Final answer
    x = 152,884.13

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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.