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Finding the Fourth Proportional to 223,712.60, 334,694.10 and 144,980.60

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Solution

The fourth proportional to 223,712.60, 334,694.10 and 144,980.60 is: 216,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,712.60 : 334,694.10 = 144,980.60 : x
  2. Step 2: Convert to fraction form
    223,712.60/334,694.10 = 144,980.60/x
  3. Step 3: Cross multiply
    223,712.60x = 334,694.10 × 144,980.60
  4. Step 4: Simplify right side
    223,712.60x = 48,524,151,434.46
  5. Step 5: Solve for x
    x = 48,524,151,434.46/223,712.60
  6. Step 6: Final answer
    x = 216,903.97

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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.