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Finding the Fourth Proportional to 175,346.40, 263,019.60 and 64,581.60

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Solution

The fourth proportional to 175,346.40, 263,019.60 and 64,581.60 is: 96,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,346.40 : 263,019.60 = 64,581.60 : x
  2. Step 2: Convert to fraction form
    175,346.40/263,019.60 = 64,581.60/x
  3. Step 3: Cross multiply
    175,346.40x = 263,019.60 × 64,581.60
  4. Step 4: Simplify right side
    175,346.40x = 16,986,226,599.36
  5. Step 5: Solve for x
    x = 16,986,226,599.36/175,346.40
  6. Step 6: Final answer
    x = 96,872.40

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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.