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Finding the Fourth Proportional to 111,656.36, 167,348.28 and 52,412.96

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Solution

The fourth proportional to 111,656.36, 167,348.28 and 52,412.96 is: 78,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,656.36 : 167,348.28 = 52,412.96 : x
  2. Step 2: Convert to fraction form
    111,656.36/167,348.28 = 52,412.96/x
  3. Step 3: Cross multiply
    111,656.36x = 167,348.28 × 52,412.96
  4. Step 4: Simplify right side
    111,656.36x = 8,771,218,705.71
  5. Step 5: Solve for x
    x = 8,771,218,705.71/111,656.36
  6. Step 6: Final answer
    x = 78,555.48

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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.