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Finding the Fourth Proportional to 223,065.60, 334,857.60 and 134,419.20

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Solution

The fourth proportional to 223,065.60, 334,857.60 and 134,419.20 is: 201,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,065.60 : 334,857.60 = 134,419.20 : x
  2. Step 2: Convert to fraction form
    223,065.60/334,857.60 = 134,419.20/x
  3. Step 3: Cross multiply
    223,065.60x = 334,857.60 × 134,419.20
  4. Step 4: Simplify right side
    223,065.60x = 45,011,290,705.92
  5. Step 5: Solve for x
    x = 45,011,290,705.92/223,065.60
  6. Step 6: Final answer
    x = 201,784.99

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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.