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Finding the Fourth Proportional to 183,560.96, 253,348.80 and 119,953.28

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Solution

The fourth proportional to 183,560.96, 253,348.80 and 119,953.28 is: 165,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,560.96 : 253,348.80 = 119,953.28 : x
  2. Step 2: Convert to fraction form
    183,560.96/253,348.80 = 119,953.28/x
  3. Step 3: Cross multiply
    183,560.96x = 253,348.80 × 119,953.28
  4. Step 4: Simplify right side
    183,560.96x = 30,390,019,544.06
  5. Step 5: Solve for x
    x = 30,390,019,544.06/183,560.96
  6. Step 6: Final answer
    x = 165,558.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.