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Finding the Fourth Proportional to 99,536.70, 137,360.62 and 54,824.70

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Solution

The fourth proportional to 99,536.70, 137,360.62 and 54,824.70 is: 75,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,536.70 : 137,360.62 = 54,824.70 : x
  2. Step 2: Convert to fraction form
    99,536.70/137,360.62 = 54,824.70/x
  3. Step 3: Cross multiply
    99,536.70x = 137,360.62 × 54,824.70
  4. Step 4: Simplify right side
    99,536.70x = 7,530,754,783.31
  5. Step 5: Solve for x
    x = 7,530,754,783.31/99,536.70
  6. Step 6: Final answer
    x = 75,658.07

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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.