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Finding the Fourth Proportional to 163,089.60, 244,634.40 and 113,323.20

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Solution

The fourth proportional to 163,089.60, 244,634.40 and 113,323.20 is: 169,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,089.60 : 244,634.40 = 113,323.20 : x
  2. Step 2: Convert to fraction form
    163,089.60/244,634.40 = 113,323.20/x
  3. Step 3: Cross multiply
    163,089.60x = 244,634.40 × 113,323.20
  4. Step 4: Simplify right side
    163,089.60x = 27,722,753,038.08
  5. Step 5: Solve for x
    x = 27,722,753,038.08/163,089.60
  6. Step 6: Final answer
    x = 169,984.80

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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.