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Finding the Fourth Proportional to 165,656.71, 248,508.81 and 53,299.58

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Solution

The fourth proportional to 165,656.71, 248,508.81 and 53,299.58 is: 79,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,656.71 : 248,508.81 = 53,299.58 : x
  2. Step 2: Convert to fraction form
    165,656.71/248,508.81 = 53,299.58/x
  3. Step 3: Cross multiply
    165,656.71x = 248,508.81 × 53,299.58
  4. Step 4: Simplify right side
    165,656.71x = 13,245,415,704.08
  5. Step 5: Solve for x
    x = 13,245,415,704.08/165,656.71
  6. Step 6: Final answer
    x = 79,957.01

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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.