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Finding the Fourth Proportional to 180,043.92, 248,410.08 and 103,559.04

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Solution

The fourth proportional to 180,043.92, 248,410.08 and 103,559.04 is: 142,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,043.92 : 248,410.08 = 103,559.04 : x
  2. Step 2: Convert to fraction form
    180,043.92/248,410.08 = 103,559.04/x
  3. Step 3: Cross multiply
    180,043.92x = 248,410.08 × 103,559.04
  4. Step 4: Simplify right side
    180,043.92x = 25,725,109,411.12
  5. Step 5: Solve for x
    x = 25,725,109,411.12/180,043.92
  6. Step 6: Final answer
    x = 142,882.41

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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.