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Finding the Fourth Proportional to 72,073.48, 108,159.44 and 25,326.36

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Solution

The fourth proportional to 72,073.48, 108,159.44 and 25,326.36 is: 38,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073.48 : 108,159.44 = 25,326.36 : x
  2. Step 2: Convert to fraction form
    72,073.48/108,159.44 = 25,326.36/x
  3. Step 3: Cross multiply
    72,073.48x = 108,159.44 × 25,326.36
  4. Step 4: Simplify right side
    72,073.48x = 2,739,284,914.84
  5. Step 5: Solve for x
    x = 2,739,284,914.84/72,073.48
  6. Step 6: Final answer
    x = 38,006.84

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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.