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Finding the Fourth Proportional to 171,205.10, 256,807.65 and 44,845.10

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Solution

The fourth proportional to 171,205.10, 256,807.65 and 44,845.10 is: 67,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,205.10 : 256,807.65 = 44,845.10 : x
  2. Step 2: Convert to fraction form
    171,205.10/256,807.65 = 44,845.10/x
  3. Step 3: Cross multiply
    171,205.10x = 256,807.65 × 44,845.10
  4. Step 4: Simplify right side
    171,205.10x = 11,516,564,745.02
  5. Step 5: Solve for x
    x = 11,516,564,745.02/171,205.10
  6. Step 6: Final answer
    x = 67,267.65

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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.