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Finding the Fourth Proportional to 92,881.87, 128,179.06 and 52,049.05

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Solution

The fourth proportional to 92,881.87, 128,179.06 and 52,049.05 is: 71,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.87 : 128,179.06 = 52,049.05 : x
  2. Step 2: Convert to fraction form
    92,881.87/128,179.06 = 52,049.05/x
  3. Step 3: Cross multiply
    92,881.87x = 128,179.06 × 52,049.05
  4. Step 4: Simplify right side
    92,881.87x = 6,671,597,852.32
  5. Step 5: Solve for x
    x = 6,671,597,852.32/92,881.87
  6. Step 6: Final answer
    x = 71,828.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.