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Finding the Fourth Proportional to 92,671.84, 139,018.56 and 33,535.36

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Solution

The fourth proportional to 92,671.84, 139,018.56 and 33,535.36 is: 50,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,671.84 : 139,018.56 = 33,535.36 : x
  2. Step 2: Convert to fraction form
    92,671.84/139,018.56 = 33,535.36/x
  3. Step 3: Cross multiply
    92,671.84x = 139,018.56 × 33,535.36
  4. Step 4: Simplify right side
    92,671.84x = 4,662,037,456.28
  5. Step 5: Solve for x
    x = 4,662,037,456.28/92,671.84
  6. Step 6: Final answer
    x = 50,306.95

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1.5x scale

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.