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Finding the Fourth Proportional to 73,448.40, 110,188.80 and 23,530.80

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Solution

The fourth proportional to 73,448.40, 110,188.80 and 23,530.80 is: 35,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,448.40 : 110,188.80 = 23,530.80 : x
  2. Step 2: Convert to fraction form
    73,448.40/110,188.80 = 23,530.80/x
  3. Step 3: Cross multiply
    73,448.40x = 110,188.80 × 23,530.80
  4. Step 4: Simplify right side
    73,448.40x = 2,592,830,615.04
  5. Step 5: Solve for x
    x = 2,592,830,615.04/73,448.40
  6. Step 6: Final answer
    x = 35,301.39

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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.