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Finding the Fourth Proportional to 67,226.78, 92,572.88 and 65,734.98

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Solution

The fourth proportional to 67,226.78, 92,572.88 and 65,734.98 is: 90,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,226.78 : 92,572.88 = 65,734.98 : x
  2. Step 2: Convert to fraction form
    67,226.78/92,572.88 = 65,734.98/x
  3. Step 3: Cross multiply
    67,226.78x = 92,572.88 × 65,734.98
  4. Step 4: Simplify right side
    67,226.78x = 6,085,276,415.34
  5. Step 5: Solve for x
    x = 6,085,276,415.34/67,226.78
  6. Step 6: Final answer
    x = 90,518.64

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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.