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Finding the Fourth Proportional to 130,484.28, 180,062.28 and 73,896.06

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Solution

The fourth proportional to 130,484.28, 180,062.28 and 73,896.06 is: 101,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,484.28 : 180,062.28 = 73,896.06 : x
  2. Step 2: Convert to fraction form
    130,484.28/180,062.28 = 73,896.06/x
  3. Step 3: Cross multiply
    130,484.28x = 180,062.28 × 73,896.06
  4. Step 4: Simplify right side
    130,484.28x = 13,305,893,046.62
  5. Step 5: Solve for x
    x = 13,305,893,046.62/130,484.28
  6. Step 6: Final answer
    x = 101,973.15

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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.