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Finding the Fourth Proportional to 113,898.40, 170,846.70 and 29,658.40

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Solution

The fourth proportional to 113,898.40, 170,846.70 and 29,658.40 is: 44,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,898.40 : 170,846.70 = 29,658.40 : x
  2. Step 2: Convert to fraction form
    113,898.40/170,846.70 = 29,658.40/x
  3. Step 3: Cross multiply
    113,898.40x = 170,846.70 × 29,658.40
  4. Step 4: Simplify right side
    113,898.40x = 5,067,039,767.28
  5. Step 5: Solve for x
    x = 5,067,039,767.28/113,898.40
  6. Step 6: Final answer
    x = 44,487.37

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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.