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Finding the Fourth Proportional to 130,297.44, 179,814.48 and 73,707.68

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Solution

The fourth proportional to 130,297.44, 179,814.48 and 73,707.68 is: 101,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,297.44 : 179,814.48 = 73,707.68 : x
  2. Step 2: Convert to fraction form
    130,297.44/179,814.48 = 73,707.68/x
  3. Step 3: Cross multiply
    130,297.44x = 179,814.48 × 73,707.68
  4. Step 4: Simplify right side
    130,297.44x = 13,253,708,151.21
  5. Step 5: Solve for x
    x = 13,253,708,151.21/130,297.44
  6. Step 6: Final answer
    x = 101,718.87

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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.