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Finding the Fourth Proportional to 176,468.60, 264,848.70 and 81,844.40

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Solution

The fourth proportional to 176,468.60, 264,848.70 and 81,844.40 is: 122,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,468.60 : 264,848.70 = 81,844.40 : x
  2. Step 2: Convert to fraction form
    176,468.60/264,848.70 = 81,844.40/x
  3. Step 3: Cross multiply
    176,468.60x = 264,848.70 × 81,844.40
  4. Step 4: Simplify right side
    176,468.60x = 21,676,382,942.28
  5. Step 5: Solve for x
    x = 21,676,382,942.28/176,468.60
  6. Step 6: Final answer
    x = 122,834.22

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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.