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Finding the Fourth Proportional to 107,662.91, 148,558.01 and 59,916.11

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Solution

The fourth proportional to 107,662.91, 148,558.01 and 59,916.11 is: 82,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,662.91 : 148,558.01 = 59,916.11 : x
  2. Step 2: Convert to fraction form
    107,662.91/148,558.01 = 59,916.11/x
  3. Step 3: Cross multiply
    107,662.91x = 148,558.01 × 59,916.11
  4. Step 4: Simplify right side
    107,662.91x = 8,901,017,026.17
  5. Step 5: Solve for x
    x = 8,901,017,026.17/107,662.91
  6. Step 6: Final answer
    x = 82,674.87

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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.