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Finding the Fourth Proportional to 92,907.52, 139,228.44 and 74,244.32

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Solution

The fourth proportional to 92,907.52, 139,228.44 and 74,244.32 is: 111,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.52 : 139,228.44 = 74,244.32 : x
  2. Step 2: Convert to fraction form
    92,907.52/139,228.44 = 74,244.32/x
  3. Step 3: Cross multiply
    92,907.52x = 139,228.44 × 74,244.32
  4. Step 4: Simplify right side
    92,907.52x = 10,336,920,852.46
  5. Step 5: Solve for x
    x = 10,336,920,852.46/92,907.52
  6. Step 6: Final answer
    x = 111,260.32

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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.