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Finding the Fourth Proportional to 66,776.16, 92,002.72 and 44,074.72

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Solution

The fourth proportional to 66,776.16, 92,002.72 and 44,074.72 is: 60,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.16 : 92,002.72 = 44,074.72 : x
  2. Step 2: Convert to fraction form
    66,776.16/92,002.72 = 44,074.72/x
  3. Step 3: Cross multiply
    66,776.16x = 92,002.72 × 44,074.72
  4. Step 4: Simplify right side
    66,776.16x = 4,054,994,123.24
  5. Step 5: Solve for x
    x = 4,054,994,123.24/66,776.16
  6. Step 6: Final answer
    x = 60,725.18

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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.