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Finding the Fourth Proportional to 223,569.88, 335,028.76 and 103,663.50

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Solution

The fourth proportional to 223,569.88, 335,028.76 and 103,663.50 is: 155,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,569.88 : 335,028.76 = 103,663.50 : x
  2. Step 2: Convert to fraction form
    223,569.88/335,028.76 = 103,663.50/x
  3. Step 3: Cross multiply
    223,569.88x = 335,028.76 × 103,663.50
  4. Step 4: Simplify right side
    223,569.88x = 34,730,253,862.26
  5. Step 5: Solve for x
    x = 34,730,253,862.26/223,569.88
  6. Step 6: Final answer
    x = 155,344.06

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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.