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Finding the Fourth Proportional to 222,681.60, 334,281.60 and 134,035.20

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Solution

The fourth proportional to 222,681.60, 334,281.60 and 134,035.20 is: 201,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,681.60 : 334,281.60 = 134,035.20 : x
  2. Step 2: Convert to fraction form
    222,681.60/334,281.60 = 134,035.20/x
  3. Step 3: Cross multiply
    222,681.60x = 334,281.60 × 134,035.20
  4. Step 4: Simplify right side
    222,681.60x = 44,805,501,112.32
  5. Step 5: Solve for x
    x = 44,805,501,112.32/222,681.60
  6. Step 6: Final answer
    x = 201,208.82

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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.