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Finding the Fourth Proportional to 222,740.16, 334,076.28 and 72,996

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Solution

The fourth proportional to 222,740.16, 334,076.28 and 72,996 is: 109,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,740.16 : 334,076.28 = 72,996 : x
  2. Step 2: Convert to fraction form
    222,740.16/334,076.28 = 72,996/x
  3. Step 3: Cross multiply
    222,740.16x = 334,076.28 × 72,996
  4. Step 4: Simplify right side
    222,740.16x = 24,386,232,134.88
  5. Step 5: Solve for x
    x = 24,386,232,134.88/222,740.16
  6. Step 6: Final answer
    x = 109,482.87

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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.