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Finding the Fourth Proportional to 165,187.52, 247,780.80 and 46,858.88

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Solution

The fourth proportional to 165,187.52, 247,780.80 and 46,858.88 is: 70,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,187.52 : 247,780.80 = 46,858.88 : x
  2. Step 2: Convert to fraction form
    165,187.52/247,780.80 = 46,858.88/x
  3. Step 3: Cross multiply
    165,187.52x = 247,780.80 × 46,858.88
  4. Step 4: Simplify right side
    165,187.52x = 11,610,730,773.50
  5. Step 5: Solve for x
    x = 11,610,730,773.50/165,187.52
  6. Step 6: Final answer
    x = 70,288.18

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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.