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Finding the Fourth Proportional to 55,459.90, 83,200.65 and 23,869.90

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Solution

The fourth proportional to 55,459.90, 83,200.65 and 23,869.90 is: 35,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459.90 : 83,200.65 = 23,869.90 : x
  2. Step 2: Convert to fraction form
    55,459.90/83,200.65 = 23,869.90/x
  3. Step 3: Cross multiply
    55,459.90x = 83,200.65 × 23,869.90
  4. Step 4: Simplify right side
    55,459.90x = 1,985,991,195.44
  5. Step 5: Solve for x
    x = 1,985,991,195.44/55,459.90
  6. Step 6: Final answer
    x = 35,809.50

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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.