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Finding the Fourth Proportional to 153,863.70, 230,817.15 and 48,671.70

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Solution

The fourth proportional to 153,863.70, 230,817.15 and 48,671.70 is: 73,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,863.70 : 230,817.15 = 48,671.70 : x
  2. Step 2: Convert to fraction form
    153,863.70/230,817.15 = 48,671.70/x
  3. Step 3: Cross multiply
    153,863.70x = 230,817.15 × 48,671.70
  4. Step 4: Simplify right side
    153,863.70x = 11,234,263,079.66
  5. Step 5: Solve for x
    x = 11,234,263,079.66/153,863.70
  6. Step 6: Final answer
    x = 73,014.38

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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.