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Finding the Fourth Proportional to 295,180.92, 442,901.46 and 154,905.72

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Solution

The fourth proportional to 295,180.92, 442,901.46 and 154,905.72 is: 232,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,180.92 : 442,901.46 = 154,905.72 : x
  2. Step 2: Convert to fraction form
    295,180.92/442,901.46 = 154,905.72/x
  3. Step 3: Cross multiply
    295,180.92x = 442,901.46 × 154,905.72
  4. Step 4: Simplify right side
    295,180.92x = 68,607,969,550.35
  5. Step 5: Solve for x
    x = 68,607,969,550.35/295,180.92
  6. Step 6: Final answer
    x = 232,426.84

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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.