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Finding the Fourth Proportional to 160,966.66, 241,454.55 and 42,638.01

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Solution

The fourth proportional to 160,966.66, 241,454.55 and 42,638.01 is: 63,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,966.66 : 241,454.55 = 42,638.01 : x
  2. Step 2: Convert to fraction form
    160,966.66/241,454.55 = 42,638.01/x
  3. Step 3: Cross multiply
    160,966.66x = 241,454.55 × 42,638.01
  4. Step 4: Simplify right side
    160,966.66x = 10,295,141,517.45
  5. Step 5: Solve for x
    x = 10,295,141,517.45/160,966.66
  6. Step 6: Final answer
    x = 63,958.22

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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.