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Finding the Fourth Proportional to 92,243.58, 127,298.70 and 56,432.94

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Solution

The fourth proportional to 92,243.58, 127,298.70 and 56,432.94 is: 77,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,243.58 : 127,298.70 = 56,432.94 : x
  2. Step 2: Convert to fraction form
    92,243.58/127,298.70 = 56,432.94/x
  3. Step 3: Cross multiply
    92,243.58x = 127,298.70 × 56,432.94
  4. Step 4: Simplify right side
    92,243.58x = 7,183,839,899.18
  5. Step 5: Solve for x
    x = 7,183,839,899.18/92,243.58
  6. Step 6: Final answer
    x = 77,879.02

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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.