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Finding the Fourth Proportional to 111,239.80, 166,875.90 and 36,363.40

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Solution

The fourth proportional to 111,239.80, 166,875.90 and 36,363.40 is: 54,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.80 : 166,875.90 = 36,363.40 : x
  2. Step 2: Convert to fraction form
    111,239.80/166,875.90 = 36,363.40/x
  3. Step 3: Cross multiply
    111,239.80x = 166,875.90 × 36,363.40
  4. Step 4: Simplify right side
    111,239.80x = 6,068,175,102.06
  5. Step 5: Solve for x
    x = 6,068,175,102.06/111,239.80
  6. Step 6: Final answer
    x = 54,550.40

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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.