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Finding the Fourth Proportional to 131,054.68, 180,672.24 and 110,830.24

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Solution

The fourth proportional to 131,054.68, 180,672.24 and 110,830.24 is: 152,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,054.68 : 180,672.24 = 110,830.24 : x
  2. Step 2: Convert to fraction form
    131,054.68/180,672.24 = 110,830.24/x
  3. Step 3: Cross multiply
    131,054.68x = 180,672.24 × 110,830.24
  4. Step 4: Simplify right side
    131,054.68x = 20,023,947,720.54
  5. Step 5: Solve for x
    x = 20,023,947,720.54/131,054.68
  6. Step 6: Final answer
    x = 152,790.79

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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.