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Finding the Fourth Proportional to 111,393.98, 167,116.88 and 36,509.48

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Solution

The fourth proportional to 111,393.98, 167,116.88 and 36,509.48 is: 54,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,393.98 : 167,116.88 = 36,509.48 : x
  2. Step 2: Convert to fraction form
    111,393.98/167,116.88 = 36,509.48/x
  3. Step 3: Cross multiply
    111,393.98x = 167,116.88 × 36,509.48
  4. Step 4: Simplify right side
    111,393.98x = 6,101,349,643.71
  5. Step 5: Solve for x
    x = 6,101,349,643.71/111,393.98
  6. Step 6: Final answer
    x = 54,772.71

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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.