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Finding the Fourth Proportional to 110,688.50, 166,032.75 and 36,816.50

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Solution

The fourth proportional to 110,688.50, 166,032.75 and 36,816.50 is: 55,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,688.50 : 166,032.75 = 36,816.50 : x
  2. Step 2: Convert to fraction form
    110,688.50/166,032.75 = 36,816.50/x
  3. Step 3: Cross multiply
    110,688.50x = 166,032.75 × 36,816.50
  4. Step 4: Simplify right side
    110,688.50x = 6,112,744,740.38
  5. Step 5: Solve for x
    x = 6,112,744,740.38/110,688.50
  6. Step 6: Final answer
    x = 55,224.75

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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.