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Finding the Fourth Proportional to 107,866.63, 161,672.86 and 48,632.95

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Solution

The fourth proportional to 107,866.63, 161,672.86 and 48,632.95 is: 72,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,866.63 : 161,672.86 = 48,632.95 : x
  2. Step 2: Convert to fraction form
    107,866.63/161,672.86 = 48,632.95/x
  3. Step 3: Cross multiply
    107,866.63x = 161,672.86 × 48,632.95
  4. Step 4: Simplify right side
    107,866.63x = 7,862,628,116.74
  5. Step 5: Solve for x
    x = 7,862,628,116.74/107,866.63
  6. Step 6: Final answer
    x = 72,892.13

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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.