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Finding the Fourth Proportional to 183,886.20, 275,829.30 and 65,561.40

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Solution

The fourth proportional to 183,886.20, 275,829.30 and 65,561.40 is: 98,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,886.20 : 275,829.30 = 65,561.40 : x
  2. Step 2: Convert to fraction form
    183,886.20/275,829.30 = 65,561.40/x
  3. Step 3: Cross multiply
    183,886.20x = 275,829.30 × 65,561.40
  4. Step 4: Simplify right side
    183,886.20x = 18,083,755,069.02
  5. Step 5: Solve for x
    x = 18,083,755,069.02/183,886.20
  6. Step 6: Final answer
    x = 98,342.10

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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.