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Finding the Fourth Proportional to 115,350.76, 159,180.90 and 65,054.44

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Solution

The fourth proportional to 115,350.76, 159,180.90 and 65,054.44 is: 89,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,350.76 : 159,180.90 = 65,054.44 : x
  2. Step 2: Convert to fraction form
    115,350.76/159,180.90 = 65,054.44/x
  3. Step 3: Cross multiply
    115,350.76x = 159,180.90 × 65,054.44
  4. Step 4: Simplify right side
    115,350.76x = 10,355,424,308.20
  5. Step 5: Solve for x
    x = 10,355,424,308.20/115,350.76
  6. Step 6: Final answer
    x = 89,773.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.