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Finding the Fourth Proportional to 88,877.76, 133,365.84 and 53,251.53

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Solution

The fourth proportional to 88,877.76, 133,365.84 and 53,251.53 is: 79,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,877.76 : 133,365.84 = 53,251.53 : x
  2. Step 2: Convert to fraction form
    88,877.76/133,365.84 = 53,251.53/x
  3. Step 3: Cross multiply
    88,877.76x = 133,365.84 × 53,251.53
  4. Step 4: Simplify right side
    88,877.76x = 7,101,935,029.74
  5. Step 5: Solve for x
    x = 7,101,935,029.74/88,877.76
  6. Step 6: Final answer
    x = 79,906.77

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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.