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Finding the Fourth Proportional to 111,570.64, 167,347.50 and 36,693.22

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Solution

The fourth proportional to 111,570.64, 167,347.50 and 36,693.22 is: 55,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,570.64 : 167,347.50 = 36,693.22 : x
  2. Step 2: Convert to fraction form
    111,570.64/167,347.50 = 36,693.22/x
  3. Step 3: Cross multiply
    111,570.64x = 167,347.50 × 36,693.22
  4. Step 4: Simplify right side
    111,570.64x = 6,140,518,633.95
  5. Step 5: Solve for x
    x = 6,140,518,633.95/111,570.64
  6. Step 6: Final answer
    x = 55,037.05

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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.