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Finding the Fourth Proportional to 92,032.65, 137,908.05 and 61,935.33

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Solution

The fourth proportional to 92,032.65, 137,908.05 and 61,935.33 is: 92,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,032.65 : 137,908.05 = 61,935.33 : x
  2. Step 2: Convert to fraction form
    92,032.65/137,908.05 = 61,935.33/x
  3. Step 3: Cross multiply
    92,032.65x = 137,908.05 × 61,935.33
  4. Step 4: Simplify right side
    92,032.65x = 8,541,380,586.41
  5. Step 5: Solve for x
    x = 8,541,380,586.41/92,032.65
  6. Step 6: Final answer
    x = 92,808.16

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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.