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Finding the Fourth Proportional to 103,681.56, 155,545.02 and 33,559.86

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Solution

The fourth proportional to 103,681.56, 155,545.02 and 33,559.86 is: 50,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.56 : 155,545.02 = 33,559.86 : x
  2. Step 2: Convert to fraction form
    103,681.56/155,545.02 = 33,559.86/x
  3. Step 3: Cross multiply
    103,681.56x = 155,545.02 × 33,559.86
  4. Step 4: Simplify right side
    103,681.56x = 5,220,069,094.90
  5. Step 5: Solve for x
    x = 5,220,069,094.90/103,681.56
  6. Step 6: Final answer
    x = 50,347.13

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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.