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Finding the Fourth Proportional to 99,596.54, 137,441.52 and 54,274.92

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Solution

The fourth proportional to 99,596.54, 137,441.52 and 54,274.92 is: 74,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.54 : 137,441.52 = 54,274.92 : x
  2. Step 2: Convert to fraction form
    99,596.54/137,441.52 = 54,274.92/x
  3. Step 3: Cross multiply
    99,596.54x = 137,441.52 × 54,274.92
  4. Step 4: Simplify right side
    99,596.54x = 7,459,627,502.68
  5. Step 5: Solve for x
    x = 7,459,627,502.68/99,596.54
  6. Step 6: Final answer
    x = 74,898.46

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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.