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Finding the Fourth Proportional to 160,570.46, 221,660.44 and 114,664.70

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Solution

The fourth proportional to 160,570.46, 221,660.44 and 114,664.70 is: 158,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,570.46 : 221,660.44 = 114,664.70 : x
  2. Step 2: Convert to fraction form
    160,570.46/221,660.44 = 114,664.70/x
  3. Step 3: Cross multiply
    160,570.46x = 221,660.44 × 114,664.70
  4. Step 4: Simplify right side
    160,570.46x = 25,416,626,459.50
  5. Step 5: Solve for x
    x = 25,416,626,459.50/160,570.46
  6. Step 6: Final answer
    x = 158,289.56

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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.