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Finding the Fourth Proportional to 223,081.60, 334,881.60 and 134,435.20

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Solution

The fourth proportional to 223,081.60, 334,881.60 and 134,435.20 is: 201,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,081.60 : 334,881.60 = 134,435.20 : x
  2. Step 2: Convert to fraction form
    223,081.60/334,881.60 = 134,435.20/x
  3. Step 3: Cross multiply
    223,081.60x = 334,881.60 × 134,435.20
  4. Step 4: Simplify right side
    223,081.60x = 45,019,874,872.32
  5. Step 5: Solve for x
    x = 45,019,874,872.32/223,081.60
  6. Step 6: Final answer
    x = 201,809.00

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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.