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Finding the Fourth Proportional to 73,618.77, 101,568.01 and 48,140.04

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Solution

The fourth proportional to 73,618.77, 101,568.01 and 48,140.04 is: 66,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,618.77 : 101,568.01 = 48,140.04 : x
  2. Step 2: Convert to fraction form
    73,618.77/101,568.01 = 48,140.04/x
  3. Step 3: Cross multiply
    73,618.77x = 101,568.01 × 48,140.04
  4. Step 4: Simplify right side
    73,618.77x = 4,889,487,315.58
  5. Step 5: Solve for x
    x = 4,889,487,315.58/73,618.77
  6. Step 6: Final answer
    x = 66,416.32

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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.