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Finding the Fourth Proportional to 165,878.01, 248,729.51 and 72,332.73

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Solution

The fourth proportional to 165,878.01, 248,729.51 and 72,332.73 is: 108,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,878.01 : 248,729.51 = 72,332.73 : x
  2. Step 2: Convert to fraction form
    165,878.01/248,729.51 = 72,332.73/x
  3. Step 3: Cross multiply
    165,878.01x = 248,729.51 × 72,332.73
  4. Step 4: Simplify right side
    165,878.01x = 17,991,284,670.69
  5. Step 5: Solve for x
    x = 17,991,284,670.69/165,878.01
  6. Step 6: Final answer
    x = 108,460.94

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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.