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Finding the Fourth Proportional to 116,063.70, 159,124.81 and 113,964.18

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Solution

The fourth proportional to 116,063.70, 159,124.81 and 113,964.18 is: 156,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,063.70 : 159,124.81 = 113,964.18 : x
  2. Step 2: Convert to fraction form
    116,063.70/159,124.81 = 113,964.18/x
  3. Step 3: Cross multiply
    116,063.70x = 159,124.81 × 113,964.18
  4. Step 4: Simplify right side
    116,063.70x = 18,134,528,489.31
  5. Step 5: Solve for x
    x = 18,134,528,489.31/116,063.70
  6. Step 6: Final answer
    x = 156,246.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.