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Finding the Fourth Proportional to 48,108.98, 72,136.47 and 33,133.70

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Solution

The fourth proportional to 48,108.98, 72,136.47 and 33,133.70 is: 49,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.98 : 72,136.47 = 33,133.70 : x
  2. Step 2: Convert to fraction form
    48,108.98/72,136.47 = 33,133.70/x
  3. Step 3: Cross multiply
    48,108.98x = 72,136.47 × 33,133.70
  4. Step 4: Simplify right side
    48,108.98x = 2,390,148,156.04
  5. Step 5: Solve for x
    x = 2,390,148,156.04/48,108.98
  6. Step 6: Final answer
    x = 49,681.95

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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.