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Finding the Fourth Proportional to 222,957.76, 334,435.40 and 54,479.02

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Solution

The fourth proportional to 222,957.76, 334,435.40 and 54,479.02 is: 81,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,957.76 : 334,435.40 = 54,479.02 : x
  2. Step 2: Convert to fraction form
    222,957.76/334,435.40 = 54,479.02/x
  3. Step 3: Cross multiply
    222,957.76x = 334,435.40 × 54,479.02
  4. Step 4: Simplify right side
    222,957.76x = 18,219,711,173.13
  5. Step 5: Solve for x
    x = 18,219,711,173.13/222,957.76
  6. Step 6: Final answer
    x = 81,718.22

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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.