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Finding the Fourth Proportional to 83,485.66, 125,243.08 and 36,737.32

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Solution

The fourth proportional to 83,485.66, 125,243.08 and 36,737.32 is: 55,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,485.66 : 125,243.08 = 36,737.32 : x
  2. Step 2: Convert to fraction form
    83,485.66/125,243.08 = 36,737.32/x
  3. Step 3: Cross multiply
    83,485.66x = 125,243.08 × 36,737.32
  4. Step 4: Simplify right side
    83,485.66x = 4,601,095,107.75
  5. Step 5: Solve for x
    x = 4,601,095,107.75/83,485.66
  6. Step 6: Final answer
    x = 55,112.40

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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.