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Finding the Fourth Proportional to 111,926.90, 167,890.35 and 111,926.90

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Solution

The fourth proportional to 111,926.90, 167,890.35 and 111,926.90 is: 167,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.90 : 167,890.35 = 111,926.90 : x
  2. Step 2: Convert to fraction form
    111,926.90/167,890.35 = 111,926.90/x
  3. Step 3: Cross multiply
    111,926.90x = 167,890.35 × 111,926.90
  4. Step 4: Simplify right side
    111,926.90x = 18,791,446,415.42
  5. Step 5: Solve for x
    x = 18,791,446,415.42/111,926.90
  6. Step 6: Final answer
    x = 167,890.35

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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.