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Finding the Fourth Proportional to 130,473.91, 180,053.98 and 73,896.22

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Solution

The fourth proportional to 130,473.91, 180,053.98 and 73,896.22 is: 101,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,473.91 : 180,053.98 = 73,896.22 : x
  2. Step 2: Convert to fraction form
    130,473.91/180,053.98 = 73,896.22/x
  3. Step 3: Cross multiply
    130,473.91x = 180,053.98 × 73,896.22
  4. Step 4: Simplify right side
    130,473.91x = 13,305,308,517.96
  5. Step 5: Solve for x
    x = 13,305,308,517.96/130,473.91
  6. Step 6: Final answer
    x = 101,976.77

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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.