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Finding the Fourth Proportional to 222,984.04, 334,574.88 and 90,123.88

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Solution

The fourth proportional to 222,984.04, 334,574.88 and 90,123.88 is: 135,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,984.04 : 334,574.88 = 90,123.88 : x
  2. Step 2: Convert to fraction form
    222,984.04/334,574.88 = 90,123.88/x
  3. Step 3: Cross multiply
    222,984.04x = 334,574.88 × 90,123.88
  4. Step 4: Simplify right side
    222,984.04x = 30,153,186,336.13
  5. Step 5: Solve for x
    x = 30,153,186,336.13/222,984.04
  6. Step 6: Final answer
    x = 135,225.76

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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.