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Finding the Fourth Proportional to 160,719.96, 241,052.40 and 42,392.46

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Solution

The fourth proportional to 160,719.96, 241,052.40 and 42,392.46 is: 63,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,719.96 : 241,052.40 = 42,392.46 : x
  2. Step 2: Convert to fraction form
    160,719.96/241,052.40 = 42,392.46/x
  3. Step 3: Cross multiply
    160,719.96x = 241,052.40 × 42,392.46
  4. Step 4: Simplify right side
    160,719.96x = 10,218,804,224.90
  5. Step 5: Solve for x
    x = 10,218,804,224.90/160,719.96
  6. Step 6: Final answer
    x = 63,581.43

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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.