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Finding the Fourth Proportional to 132,761.16, 183,210.48 and 73,145.16

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Solution

The fourth proportional to 132,761.16, 183,210.48 and 73,145.16 is: 100,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,761.16 : 183,210.48 = 73,145.16 : x
  2. Step 2: Convert to fraction form
    132,761.16/183,210.48 = 73,145.16/x
  3. Step 3: Cross multiply
    132,761.16x = 183,210.48 × 73,145.16
  4. Step 4: Simplify right side
    132,761.16x = 13,400,959,873.28
  5. Step 5: Solve for x
    x = 13,400,959,873.28/132,761.16
  6. Step 6: Final answer
    x = 100,940.36

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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.