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Finding the Fourth Proportional to 93,976.84, 129,693.96 and 62,089.84

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Solution

The fourth proportional to 93,976.84, 129,693.96 and 62,089.84 is: 85,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,976.84 : 129,693.96 = 62,089.84 : x
  2. Step 2: Convert to fraction form
    93,976.84/129,693.96 = 62,089.84/x
  3. Step 3: Cross multiply
    93,976.84x = 129,693.96 × 62,089.84
  4. Step 4: Simplify right side
    93,976.84x = 8,052,677,225.37
  5. Step 5: Solve for x
    x = 8,052,677,225.37/93,976.84
  6. Step 6: Final answer
    x = 85,687.89

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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.