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Finding the Fourth Proportional to 163,782.57, 245,527.63 and 63,919.48

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Solution

The fourth proportional to 163,782.57, 245,527.63 and 63,919.48 is: 95,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,782.57 : 245,527.63 = 63,919.48 : x
  2. Step 2: Convert to fraction form
    163,782.57/245,527.63 = 63,919.48/x
  3. Step 3: Cross multiply
    163,782.57x = 245,527.63 × 63,919.48
  4. Step 4: Simplify right side
    163,782.57x = 15,693,998,435.23
  5. Step 5: Solve for x
    x = 15,693,998,435.23/163,782.57
  6. Step 6: Final answer
    x = 95,822.15

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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.