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Finding the Fourth Proportional to 202,449.96, 279,200.16 and 130,754.52

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Solution

The fourth proportional to 202,449.96, 279,200.16 and 130,754.52 is: 180,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,449.96 : 279,200.16 = 130,754.52 : x
  2. Step 2: Convert to fraction form
    202,449.96/279,200.16 = 130,754.52/x
  3. Step 3: Cross multiply
    202,449.96x = 279,200.16 × 130,754.52
  4. Step 4: Simplify right side
    202,449.96x = 36,506,682,904.72
  5. Step 5: Solve for x
    x = 36,506,682,904.72/202,449.96
  6. Step 6: Final answer
    x = 180,324.48

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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.