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Finding the Fourth Proportional to 165,458.59, 248,114.98 and 47,103.01

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Solution

The fourth proportional to 165,458.59, 248,114.98 and 47,103.01 is: 70,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,458.59 : 248,114.98 = 47,103.01 : x
  2. Step 2: Convert to fraction form
    165,458.59/248,114.98 = 47,103.01/x
  3. Step 3: Cross multiply
    165,458.59x = 248,114.98 × 47,103.01
  4. Step 4: Simplify right side
    165,458.59x = 11,686,962,384.09
  5. Step 5: Solve for x
    x = 11,686,962,384.09/165,458.59
  6. Step 6: Final answer
    x = 70,633.76

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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.