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Finding the Fourth Proportional to 147,062.28, 220,504.53 and 65,994.51

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Solution

The fourth proportional to 147,062.28, 220,504.53 and 65,994.51 is: 98,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,062.28 : 220,504.53 = 65,994.51 : x
  2. Step 2: Convert to fraction form
    147,062.28/220,504.53 = 65,994.51/x
  3. Step 3: Cross multiply
    147,062.28x = 220,504.53 × 65,994.51
  4. Step 4: Simplify right side
    147,062.28x = 14,552,088,410.13
  5. Step 5: Solve for x
    x = 14,552,088,410.13/147,062.28
  6. Step 6: Final answer
    x = 98,951.88

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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.