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Finding the Fourth Proportional to 93,957.73, 129,661.53 and 51,518.98

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Solution

The fourth proportional to 93,957.73, 129,661.53 and 51,518.98 is: 71,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,957.73 : 129,661.53 = 51,518.98 : x
  2. Step 2: Convert to fraction form
    93,957.73/129,661.53 = 51,518.98/x
  3. Step 3: Cross multiply
    93,957.73x = 129,661.53 × 51,518.98
  4. Step 4: Simplify right side
    93,957.73x = 6,680,029,770.84
  5. Step 5: Solve for x
    x = 6,680,029,770.84/93,957.73
  6. Step 6: Final answer
    x = 71,096.12

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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.