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Finding the Fourth Proportional to 176,862.80, 264,905.40 and 106,619.60

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Solution

The fourth proportional to 176,862.80, 264,905.40 and 106,619.60 is: 159,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,862.80 : 264,905.40 = 106,619.60 : x
  2. Step 2: Convert to fraction form
    176,862.80/264,905.40 = 106,619.60/x
  3. Step 3: Cross multiply
    176,862.80x = 264,905.40 × 106,619.60
  4. Step 4: Simplify right side
    176,862.80x = 28,244,107,785.84
  5. Step 5: Solve for x
    x = 28,244,107,785.84/176,862.80
  6. Step 6: Final answer
    x = 159,695.02

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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.