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Finding the Fourth Proportional to 88,885.76, 133,377.84 and 53,259.56

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Solution

The fourth proportional to 88,885.76, 133,377.84 and 53,259.56 is: 79,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,885.76 : 133,377.84 = 53,259.56 : x
  2. Step 2: Convert to fraction form
    88,885.76/133,377.84 = 53,259.56/x
  3. Step 3: Cross multiply
    88,885.76x = 133,377.84 × 53,259.56
  4. Step 4: Simplify right side
    88,885.76x = 7,103,645,072.15
  5. Step 5: Solve for x
    x = 7,103,645,072.15/88,885.76
  6. Step 6: Final answer
    x = 79,918.82

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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.