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Finding the Fourth Proportional to 62,250.21, 92,978.34 and 56,317.95

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Solution

The fourth proportional to 62,250.21, 92,978.34 and 56,317.95 is: 84,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,250.21 : 92,978.34 = 56,317.95 : x
  2. Step 2: Convert to fraction form
    62,250.21/92,978.34 = 56,317.95/x
  3. Step 3: Cross multiply
    62,250.21x = 92,978.34 × 56,317.95
  4. Step 4: Simplify right side
    62,250.21x = 5,236,349,503.20
  5. Step 5: Solve for x
    x = 5,236,349,503.20/62,250.21
  6. Step 6: Final answer
    x = 84,117.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.