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Finding the Fourth Proportional to 163,025.60, 244,538.40 and 115,786.40

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Solution

The fourth proportional to 163,025.60, 244,538.40 and 115,786.40 is: 173,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,025.60 : 244,538.40 = 115,786.40 : x
  2. Step 2: Convert to fraction form
    163,025.60/244,538.40 = 115,786.40/x
  3. Step 3: Cross multiply
    163,025.60x = 244,538.40 × 115,786.40
  4. Step 4: Simplify right side
    163,025.60x = 28,314,220,997.76
  5. Step 5: Solve for x
    x = 28,314,220,997.76/163,025.60
  6. Step 6: Final answer
    x = 173,679.60

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1.5x scale

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.