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Finding the Fourth Proportional to 113,898.70, 170,864.38 and 35,019.55

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Solution

The fourth proportional to 113,898.70, 170,864.38 and 35,019.55 is: 52,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,898.70 : 170,864.38 = 35,019.55 : x
  2. Step 2: Convert to fraction form
    113,898.70/170,864.38 = 35,019.55/x
  3. Step 3: Cross multiply
    113,898.70x = 170,864.38 × 35,019.55
  4. Step 4: Simplify right side
    113,898.70x = 5,983,592,844.31
  5. Step 5: Solve for x
    x = 5,983,592,844.31/113,898.70
  6. Step 6: Final answer
    x = 52,534.34

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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.