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Finding the Fourth Proportional to 93,486.69, 129,016.17 and 53,204.11

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Solution

The fourth proportional to 93,486.69, 129,016.17 and 53,204.11 is: 73,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,486.69 : 129,016.17 = 53,204.11 : x
  2. Step 2: Convert to fraction form
    93,486.69/129,016.17 = 53,204.11/x
  3. Step 3: Cross multiply
    93,486.69x = 129,016.17 × 53,204.11
  4. Step 4: Simplify right side
    93,486.69x = 6,864,190,177.92
  5. Step 5: Solve for x
    x = 6,864,190,177.92/93,486.69
  6. Step 6: Final answer
    x = 73,424.25

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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.