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Finding the Fourth Proportional to 133,015.70, 199,523.55 and 83,152.10

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Solution

The fourth proportional to 133,015.70, 199,523.55 and 83,152.10 is: 124,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,015.70 : 199,523.55 = 83,152.10 : x
  2. Step 2: Convert to fraction form
    133,015.70/199,523.55 = 83,152.10/x
  3. Step 3: Cross multiply
    133,015.70x = 199,523.55 × 83,152.10
  4. Step 4: Simplify right side
    133,015.70x = 16,590,802,181.96
  5. Step 5: Solve for x
    x = 16,590,802,181.96/133,015.70
  6. Step 6: Final answer
    x = 124,728.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.