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Finding the Fourth Proportional to 72,419.10, 108,602.00 and 25,022.01

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Solution

The fourth proportional to 72,419.10, 108,602.00 and 25,022.01 is: 37,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,419.10 : 108,602.00 = 25,022.01 : x
  2. Step 2: Convert to fraction form
    72,419.10/108,602.00 = 25,022.01/x
  3. Step 3: Cross multiply
    72,419.10x = 108,602.00 × 25,022.01
  4. Step 4: Simplify right side
    72,419.10x = 2,717,440,706.00
  5. Step 5: Solve for x
    x = 2,717,440,706.00/72,419.10
  6. Step 6: Final answer
    x = 37,523.81

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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.