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Finding the Fourth Proportional to 110,433.45, 152,394 and 67,484.76

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Solution

The fourth proportional to 110,433.45, 152,394 and 67,484.76 is: 93,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,433.45 : 152,394 = 67,484.76 : x
  2. Step 2: Convert to fraction form
    110,433.45/152,394 = 67,484.76/x
  3. Step 3: Cross multiply
    110,433.45x = 152,394 × 67,484.76
  4. Step 4: Simplify right side
    110,433.45x = 10,284,272,515.44
  5. Step 5: Solve for x
    x = 10,284,272,515.44/110,433.45
  6. Step 6: Final answer
    x = 93,126.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.