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Finding the Fourth Proportional to 92,754.79, 139,137.71 and 35,829.13

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Solution

The fourth proportional to 92,754.79, 139,137.71 and 35,829.13 is: 53,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,754.79 : 139,137.71 = 35,829.13 : x
  2. Step 2: Convert to fraction form
    92,754.79/139,137.71 = 35,829.13/x
  3. Step 3: Cross multiply
    92,754.79x = 139,137.71 × 35,829.13
  4. Step 4: Simplify right side
    92,754.79x = 4,985,182,572.50
  5. Step 5: Solve for x
    x = 4,985,182,572.50/92,754.79
  6. Step 6: Final answer
    x = 53,745.82

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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.