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Finding the Fourth Proportional to 92,377.85, 127,482.61 and 56,068.79

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Solution

The fourth proportional to 92,377.85, 127,482.61 and 56,068.79 is: 77,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,377.85 : 127,482.61 = 56,068.79 : x
  2. Step 2: Convert to fraction form
    92,377.85/127,482.61 = 56,068.79/x
  3. Step 3: Cross multiply
    92,377.85x = 127,482.61 × 56,068.79
  4. Step 4: Simplify right side
    92,377.85x = 7,147,795,867.28
  5. Step 5: Solve for x
    x = 7,147,795,867.28/92,377.85
  6. Step 6: Final answer
    x = 77,375.64

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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.