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Finding the Fourth Proportional to 92,963.52, 139,420.37 and 40,360.50

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Solution

The fourth proportional to 92,963.52, 139,420.37 and 40,360.50 is: 60,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963.52 : 139,420.37 = 40,360.50 : x
  2. Step 2: Convert to fraction form
    92,963.52/139,420.37 = 40,360.50/x
  3. Step 3: Cross multiply
    92,963.52x = 139,420.37 × 40,360.50
  4. Step 4: Simplify right side
    92,963.52x = 5,627,075,641.58
  5. Step 5: Solve for x
    x = 5,627,075,641.58/92,963.52
  6. Step 6: Final answer
    x = 60,529.93

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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.