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Finding the Fourth Proportional to 146,959.60, 220,439.40 and 122,465.20

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Solution

The fourth proportional to 146,959.60, 220,439.40 and 122,465.20 is: 183,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,959.60 : 220,439.40 = 122,465.20 : x
  2. Step 2: Convert to fraction form
    146,959.60/220,439.40 = 122,465.20/x
  3. Step 3: Cross multiply
    146,959.60x = 220,439.40 × 122,465.20
  4. Step 4: Simplify right side
    146,959.60x = 26,996,155,208.88
  5. Step 5: Solve for x
    x = 26,996,155,208.88/146,959.60
  6. Step 6: Final answer
    x = 183,697.80

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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.