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Finding the Fourth Proportional to 181,817.80, 272,856.30 and 102,848.20

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Solution

The fourth proportional to 181,817.80, 272,856.30 and 102,848.20 is: 154,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,817.80 : 272,856.30 = 102,848.20 : x
  2. Step 2: Convert to fraction form
    181,817.80/272,856.30 = 102,848.20/x
  3. Step 3: Cross multiply
    181,817.80x = 272,856.30 × 102,848.20
  4. Step 4: Simplify right side
    181,817.80x = 28,062,779,313.66
  5. Step 5: Solve for x
    x = 28,062,779,313.66/181,817.80
  6. Step 6: Final answer
    x = 154,345.61

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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.