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Finding the Fourth Proportional to 111,776.90, 167,681.98 and 36,904.95

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Solution

The fourth proportional to 111,776.90, 167,681.98 and 36,904.95 is: 55,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,776.90 : 167,681.98 = 36,904.95 : x
  2. Step 2: Convert to fraction form
    111,776.90/167,681.98 = 36,904.95/x
  3. Step 3: Cross multiply
    111,776.90x = 167,681.98 × 36,904.95
  4. Step 4: Simplify right side
    111,776.90x = 6,188,295,087.80
  5. Step 5: Solve for x
    x = 6,188,295,087.80/111,776.90
  6. Step 6: Final answer
    x = 55,362.92

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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.