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Finding the Fourth Proportional to 109,063.80, 150,582.60 and 83,525.04

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Solution

The fourth proportional to 109,063.80, 150,582.60 and 83,525.04 is: 115,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,063.80 : 150,582.60 = 83,525.04 : x
  2. Step 2: Convert to fraction form
    109,063.80/150,582.60 = 83,525.04/x
  3. Step 3: Cross multiply
    109,063.80x = 150,582.60 × 83,525.04
  4. Step 4: Simplify right side
    109,063.80x = 12,577,417,688.30
  5. Step 5: Solve for x
    x = 12,577,417,688.30/109,063.80
  6. Step 6: Final answer
    x = 115,321.65

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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.