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Finding the Fourth Proportional to 189,848.10, 284,772.15 and 189,848.10

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Solution

The fourth proportional to 189,848.10, 284,772.15 and 189,848.10 is: 284,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,848.10 : 284,772.15 = 189,848.10 : x
  2. Step 2: Convert to fraction form
    189,848.10/284,772.15 = 189,848.10/x
  3. Step 3: Cross multiply
    189,848.10x = 284,772.15 × 189,848.10
  4. Step 4: Simplify right side
    189,848.10x = 54,063,451,610.42
  5. Step 5: Solve for x
    x = 54,063,451,610.42/189,848.10
  6. Step 6: Final answer
    x = 284,772.15

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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.