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Finding the Fourth Proportional to 176,039.40, 264,059.10 and 105,882.60

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Solution

The fourth proportional to 176,039.40, 264,059.10 and 105,882.60 is: 158,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,039.40 : 264,059.10 = 105,882.60 : x
  2. Step 2: Convert to fraction form
    176,039.40/264,059.10 = 105,882.60/x
  3. Step 3: Cross multiply
    176,039.40x = 264,059.10 × 105,882.60
  4. Step 4: Simplify right side
    176,039.40x = 27,959,264,061.66
  5. Step 5: Solve for x
    x = 27,959,264,061.66/176,039.40
  6. Step 6: Final answer
    x = 158,823.90

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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.