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Finding the Fourth Proportional to 92,368.12, 127,468.58 and 49,926.54

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Solution

The fourth proportional to 92,368.12, 127,468.58 and 49,926.54 is: 68,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,368.12 : 127,468.58 = 49,926.54 : x
  2. Step 2: Convert to fraction form
    92,368.12/127,468.58 = 49,926.54/x
  3. Step 3: Cross multiply
    92,368.12x = 127,468.58 × 49,926.54
  4. Step 4: Simplify right side
    92,368.12x = 6,364,065,158.11
  5. Step 5: Solve for x
    x = 6,364,065,158.11/92,368.12
  6. Step 6: Final answer
    x = 68,898.94

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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.