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Finding the Fourth Proportional to 146,998.94, 202,920.61 and 99,316.87

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Solution

The fourth proportional to 146,998.94, 202,920.61 and 99,316.87 is: 137,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,998.94 : 202,920.61 = 99,316.87 : x
  2. Step 2: Convert to fraction form
    146,998.94/202,920.61 = 99,316.87/x
  3. Step 3: Cross multiply
    146,998.94x = 202,920.61 × 99,316.87
  4. Step 4: Simplify right side
    146,998.94x = 20,153,439,843.69
  5. Step 5: Solve for x
    x = 20,153,439,843.69/146,998.94
  6. Step 6: Final answer
    x = 137,099.22

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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.