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Finding the Fourth Proportional to 61,474.39, 92,068.06 and 47,322.12

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Solution

The fourth proportional to 61,474.39, 92,068.06 and 47,322.12 is: 70,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,474.39 : 92,068.06 = 47,322.12 : x
  2. Step 2: Convert to fraction form
    61,474.39/92,068.06 = 47,322.12/x
  3. Step 3: Cross multiply
    61,474.39x = 92,068.06 × 47,322.12
  4. Step 4: Simplify right side
    61,474.39x = 4,356,855,783.49
  5. Step 5: Solve for x
    x = 4,356,855,783.49/61,474.39
  6. Step 6: Final answer
    x = 70,872.70

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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.