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Finding the Fourth Proportional to 93,957.87, 140,749.08 and 56,497.40

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Solution

The fourth proportional to 93,957.87, 140,749.08 and 56,497.40 is: 84,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,957.87 : 140,749.08 = 56,497.40 : x
  2. Step 2: Convert to fraction form
    93,957.87/140,749.08 = 56,497.40/x
  3. Step 3: Cross multiply
    93,957.87x = 140,749.08 × 56,497.40
  4. Step 4: Simplify right side
    93,957.87x = 7,951,956,684.59
  5. Step 5: Solve for x
    x = 7,951,956,684.59/93,957.87
  6. Step 6: Final answer
    x = 84,633.21

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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.