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Finding the Fourth Proportional to 91,848.84, 137,644.95 and 49,637.92

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Solution

The fourth proportional to 91,848.84, 137,644.95 and 49,637.92 is: 74,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.84 : 137,644.95 = 49,637.92 : x
  2. Step 2: Convert to fraction form
    91,848.84/137,644.95 = 49,637.92/x
  3. Step 3: Cross multiply
    91,848.84x = 137,644.95 × 49,637.92
  4. Step 4: Simplify right side
    91,848.84x = 6,832,409,016.50
  5. Step 5: Solve for x
    x = 6,832,409,016.50/91,848.84
  6. Step 6: Final answer
    x = 74,387.54

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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.