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Finding the Fourth Proportional to 73,860.71, 101,892.17 and 48,355.79

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Solution

The fourth proportional to 73,860.71, 101,892.17 and 48,355.79 is: 66,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.71 : 101,892.17 = 48,355.79 : x
  2. Step 2: Convert to fraction form
    73,860.71/101,892.17 = 48,355.79/x
  3. Step 3: Cross multiply
    73,860.71x = 101,892.17 × 48,355.79
  4. Step 4: Simplify right side
    73,860.71x = 4,927,076,133.39
  5. Step 5: Solve for x
    x = 4,927,076,133.39/73,860.71
  6. Step 6: Final answer
    x = 66,707.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.