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Finding the Fourth Proportional to 222,521.60, 334,041.60 and 133,875.20

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Solution

The fourth proportional to 222,521.60, 334,041.60 and 133,875.20 is: 200,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,521.60 : 334,041.60 = 133,875.20 : x
  2. Step 2: Convert to fraction form
    222,521.60/334,041.60 = 133,875.20/x
  3. Step 3: Cross multiply
    222,521.60x = 334,041.60 × 133,875.20
  4. Step 4: Simplify right side
    222,521.60x = 44,719,886,008.32
  5. Step 5: Solve for x
    x = 44,719,886,008.32/222,521.60
  6. Step 6: Final answer
    x = 200,968.74

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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.