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Finding the Fourth Proportional to 146,798.80, 220,025.40 and 109,819.60

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Solution

The fourth proportional to 146,798.80, 220,025.40 and 109,819.60 is: 164,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,798.80 : 220,025.40 = 109,819.60 : x
  2. Step 2: Convert to fraction form
    146,798.80/220,025.40 = 109,819.60/x
  3. Step 3: Cross multiply
    146,798.80x = 220,025.40 × 109,819.60
  4. Step 4: Simplify right side
    146,798.80x = 24,163,101,417.84
  5. Step 5: Solve for x
    x = 24,163,101,417.84/146,798.80
  6. Step 6: Final answer
    x = 164,600.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.