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Finding the Fourth Proportional to 183,454.19, 253,059.28 and 115,363.16

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Solution

The fourth proportional to 183,454.19, 253,059.28 and 115,363.16 is: 159,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,454.19 : 253,059.28 = 115,363.16 : x
  2. Step 2: Convert to fraction form
    183,454.19/253,059.28 = 115,363.16/x
  3. Step 3: Cross multiply
    183,454.19x = 253,059.28 × 115,363.16
  4. Step 4: Simplify right side
    183,454.19x = 29,193,716,654.42
  5. Step 5: Solve for x
    x = 29,193,716,654.42/183,454.19
  6. Step 6: Final answer
    x = 159,133.56

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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.