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Finding the Fourth Proportional to 101,553.75, 152,330.63 and 27,681.75

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Solution

The fourth proportional to 101,553.75, 152,330.63 and 27,681.75 is: 41,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,553.75 : 152,330.63 = 27,681.75 : x
  2. Step 2: Convert to fraction form
    101,553.75/152,330.63 = 27,681.75/x
  3. Step 3: Cross multiply
    101,553.75x = 152,330.63 × 27,681.75
  4. Step 4: Simplify right side
    101,553.75x = 4,216,778,278.59
  5. Step 5: Solve for x
    x = 4,216,778,278.59/101,553.75
  6. Step 6: Final answer
    x = 41,522.63

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1.5x scale

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.