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Finding the Fourth Proportional to 111,508.44, 167,263.28 and 28,402.44

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Solution

The fourth proportional to 111,508.44, 167,263.28 and 28,402.44 is: 42,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,508.44 : 167,263.28 = 28,402.44 : x
  2. Step 2: Convert to fraction form
    111,508.44/167,263.28 = 28,402.44/x
  3. Step 3: Cross multiply
    111,508.44x = 167,263.28 × 28,402.44
  4. Step 4: Simplify right side
    111,508.44x = 4,750,685,274.40
  5. Step 5: Solve for x
    x = 4,750,685,274.40/111,508.44
  6. Step 6: Final answer
    x = 42,603.82

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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.