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Finding the Fourth Proportional to 124,080.97, 171,246.95 and 73,091.07

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Solution

The fourth proportional to 124,080.97, 171,246.95 and 73,091.07 is: 100,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,080.97 : 171,246.95 = 73,091.07 : x
  2. Step 2: Convert to fraction form
    124,080.97/171,246.95 = 73,091.07/x
  3. Step 3: Cross multiply
    124,080.97x = 171,246.95 × 73,091.07
  4. Step 4: Simplify right side
    124,080.97x = 12,516,622,809.74
  5. Step 5: Solve for x
    x = 12,516,622,809.74/124,080.97
  6. Step 6: Final answer
    x = 100,874.64

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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.