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Finding the Fourth Proportional to 93,957.76, 129,667.80 and 53,132.14

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Solution

The fourth proportional to 93,957.76, 129,667.80 and 53,132.14 is: 73,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,957.76 : 129,667.80 = 53,132.14 : x
  2. Step 2: Convert to fraction form
    93,957.76/129,667.80 = 53,132.14/x
  3. Step 3: Cross multiply
    93,957.76x = 129,667.80 × 53,132.14
  4. Step 4: Simplify right side
    93,957.76x = 6,889,527,703.09
  5. Step 5: Solve for x
    x = 6,889,527,703.09/93,957.76
  6. Step 6: Final answer
    x = 73,325.80

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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.