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Finding the Fourth Proportional to 160,964.30, 241,446.45 and 42,653.90

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Solution

The fourth proportional to 160,964.30, 241,446.45 and 42,653.90 is: 63,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,964.30 : 241,446.45 = 42,653.90 : x
  2. Step 2: Convert to fraction form
    160,964.30/241,446.45 = 42,653.90/x
  3. Step 3: Cross multiply
    160,964.30x = 241,446.45 × 42,653.90
  4. Step 4: Simplify right side
    160,964.30x = 10,298,632,733.66
  5. Step 5: Solve for x
    x = 10,298,632,733.66/160,964.30
  6. Step 6: Final answer
    x = 63,980.85

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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.