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Finding the Fourth Proportional to 72,170.54, 108,214.13 and 22,237.23

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Solution

The fourth proportional to 72,170.54, 108,214.13 and 22,237.23 is: 33,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,170.54 : 108,214.13 = 22,237.23 : x
  2. Step 2: Convert to fraction form
    72,170.54/108,214.13 = 22,237.23/x
  3. Step 3: Cross multiply
    72,170.54x = 108,214.13 × 22,237.23
  4. Step 4: Simplify right side
    72,170.54x = 2,406,382,834.37
  5. Step 5: Solve for x
    x = 2,406,382,834.37/72,170.54
  6. Step 6: Final answer
    x = 33,343.01

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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.