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Finding the Fourth Proportional to 92,852.31, 139,276.88 and 29,671.97

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Solution

The fourth proportional to 92,852.31, 139,276.88 and 29,671.97 is: 44,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.31 : 139,276.88 = 29,671.97 : x
  2. Step 2: Convert to fraction form
    92,852.31/139,276.88 = 29,671.97/x
  3. Step 3: Cross multiply
    92,852.31x = 139,276.88 × 29,671.97
  4. Step 4: Simplify right side
    92,852.31x = 4,132,619,256.69
  5. Step 5: Solve for x
    x = 4,132,619,256.69/92,852.31
  6. Step 6: Final answer
    x = 44,507.45

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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.