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Finding the Fourth Proportional to 102,847.59, 141,927.80 and 58,135.59

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Solution

The fourth proportional to 102,847.59, 141,927.80 and 58,135.59 is: 80,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.59 : 141,927.80 = 58,135.59 : x
  2. Step 2: Convert to fraction form
    102,847.59/141,927.80 = 58,135.59/x
  3. Step 3: Cross multiply
    102,847.59x = 141,927.80 × 58,135.59
  4. Step 4: Simplify right side
    102,847.59x = 8,251,056,099.72
  5. Step 5: Solve for x
    x = 8,251,056,099.72/102,847.59
  6. Step 6: Final answer
    x = 80,226.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.