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Finding the Fourth Proportional to 72,287.99, 108,437.46 and 22,373.13

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Solution

The fourth proportional to 72,287.99, 108,437.46 and 22,373.13 is: 33,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287.99 : 108,437.46 = 22,373.13 : x
  2. Step 2: Convert to fraction form
    72,287.99/108,437.46 = 22,373.13/x
  3. Step 3: Cross multiply
    72,287.99x = 108,437.46 × 22,373.13
  4. Step 4: Simplify right side
    72,287.99x = 2,426,085,838.04
  5. Step 5: Solve for x
    x = 2,426,085,838.04/72,287.99
  6. Step 6: Final answer
    x = 33,561.40

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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.