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Finding the Fourth Proportional to 130,297.59, 179,814.47 and 73,707.75

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Solution

The fourth proportional to 130,297.59, 179,814.47 and 73,707.75 is: 101,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,297.59 : 179,814.47 = 73,707.75 : x
  2. Step 2: Convert to fraction form
    130,297.59/179,814.47 = 73,707.75/x
  3. Step 3: Cross multiply
    130,297.59x = 179,814.47 × 73,707.75
  4. Step 4: Simplify right side
    130,297.59x = 13,253,719,632.60
  5. Step 5: Solve for x
    x = 13,253,719,632.60/130,297.59
  6. Step 6: Final answer
    x = 101,718.84

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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.