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Finding the Fourth Proportional to 163,601.46, 245,407.66 and 45,262.89

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Solution

The fourth proportional to 163,601.46, 245,407.66 and 45,262.89 is: 67,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.46 : 245,407.66 = 45,262.89 : x
  2. Step 2: Convert to fraction form
    163,601.46/245,407.66 = 45,262.89/x
  3. Step 3: Cross multiply
    163,601.46x = 245,407.66 × 45,262.89
  4. Step 4: Simplify right side
    163,601.46x = 11,107,859,806.58
  5. Step 5: Solve for x
    x = 11,107,859,806.58/163,601.46
  6. Step 6: Final answer
    x = 67,895.85

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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.