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Finding the Fourth Proportional to 73,957.76, 102,068.88 and 43,752.81

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Solution

The fourth proportional to 73,957.76, 102,068.88 and 43,752.81 is: 60,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.76 : 102,068.88 = 43,752.81 : x
  2. Step 2: Convert to fraction form
    73,957.76/102,068.88 = 43,752.81/x
  3. Step 3: Cross multiply
    73,957.76x = 102,068.88 × 43,752.81
  4. Step 4: Simplify right side
    73,957.76x = 4,465,800,313.55
  5. Step 5: Solve for x
    x = 4,465,800,313.55/73,957.76
  6. Step 6: Final answer
    x = 60,383.12

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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.