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Finding the Fourth Proportional to 90,573.84, 124,999.84 and 50,295.44

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Solution

The fourth proportional to 90,573.84, 124,999.84 and 50,295.44 is: 69,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,573.84 : 124,999.84 = 50,295.44 : x
  2. Step 2: Convert to fraction form
    90,573.84/124,999.84 = 50,295.44/x
  3. Step 3: Cross multiply
    90,573.84x = 124,999.84 × 50,295.44
  4. Step 4: Simplify right side
    90,573.84x = 6,286,921,952.73
  5. Step 5: Solve for x
    x = 6,286,921,952.73/90,573.84
  6. Step 6: Final answer
    x = 69,412.12

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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.