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Finding the Fourth Proportional to 61,975.70, 92,963.55 and 56,435.30

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Solution

The fourth proportional to 61,975.70, 92,963.55 and 56,435.30 is: 84,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975.70 : 92,963.55 = 56,435.30 : x
  2. Step 2: Convert to fraction form
    61,975.70/92,963.55 = 56,435.30/x
  3. Step 3: Cross multiply
    61,975.70x = 92,963.55 × 56,435.30
  4. Step 4: Simplify right side
    61,975.70x = 5,246,425,833.32
  5. Step 5: Solve for x
    x = 5,246,425,833.32/61,975.70
  6. Step 6: Final answer
    x = 84,652.95

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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.