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Finding the Fourth Proportional to 109,637.52, 163,662.96 and 96,351.84

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Solution

The fourth proportional to 109,637.52, 163,662.96 and 96,351.84 is: 143,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,637.52 : 163,662.96 = 96,351.84 : x
  2. Step 2: Convert to fraction form
    109,637.52/163,662.96 = 96,351.84/x
  3. Step 3: Cross multiply
    109,637.52x = 163,662.96 × 96,351.84
  4. Step 4: Simplify right side
    109,637.52x = 15,769,227,335.85
  5. Step 5: Solve for x
    x = 15,769,227,335.85/109,637.52
  6. Step 6: Final answer
    x = 143,830.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.