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Finding the Fourth Proportional to 165,848, 248,810.88 and 55,040

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Solution

The fourth proportional to 165,848, 248,810.88 and 55,040 is: 82,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,848 : 248,810.88 = 55,040 : x
  2. Step 2: Convert to fraction form
    165,848/248,810.88 = 55,040/x
  3. Step 3: Cross multiply
    165,848x = 248,810.88 × 55,040
  4. Step 4: Simplify right side
    165,848x = 13,694,550,835.20
  5. Step 5: Solve for x
    x = 13,694,550,835.20/165,848
  6. Step 6: Final answer
    x = 82,572.90

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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.