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Finding the Fourth Proportional to 165,877.69, 248,816.54 and 55,069.69

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Solution

The fourth proportional to 165,877.69, 248,816.54 and 55,069.69 is: 82,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,877.69 : 248,816.54 = 55,069.69 : x
  2. Step 2: Convert to fraction form
    165,877.69/248,816.54 = 55,069.69/x
  3. Step 3: Cross multiply
    165,877.69x = 248,816.54 × 55,069.69
  4. Step 4: Simplify right side
    165,877.69x = 13,702,248,827.28
  5. Step 5: Solve for x
    x = 13,702,248,827.28/165,877.69
  6. Step 6: Final answer
    x = 82,604.53

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1.5x scale

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.