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Finding the Fourth Proportional to 92,368.79, 127,468.85 and 49,927.32

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Solution

The fourth proportional to 92,368.79, 127,468.85 and 49,927.32 is: 68,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,368.79 : 127,468.85 = 49,927.32 : x
  2. Step 2: Convert to fraction form
    92,368.79/127,468.85 = 49,927.32/x
  3. Step 3: Cross multiply
    92,368.79x = 127,468.85 × 49,927.32
  4. Step 4: Simplify right side
    92,368.79x = 6,364,178,063.98
  5. Step 5: Solve for x
    x = 6,364,178,063.98/92,368.79
  6. Step 6: Final answer
    x = 68,899.66

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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.