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Finding the Fourth Proportional to 178,957.97, 268,422.99 and 104,030.33

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Solution

The fourth proportional to 178,957.97, 268,422.99 and 104,030.33 is: 156,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,957.97 : 268,422.99 = 104,030.33 : x
  2. Step 2: Convert to fraction form
    178,957.97/268,422.99 = 104,030.33/x
  3. Step 3: Cross multiply
    178,957.97x = 268,422.99 × 104,030.33
  4. Step 4: Simplify right side
    178,957.97x = 27,924,130,887.17
  5. Step 5: Solve for x
    x = 27,924,130,887.17/178,957.97
  6. Step 6: Final answer
    x = 156,037.37

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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.