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Finding the Fourth Proportional to 220,096.67, 330,048.86 and 77,894.70

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Solution

The fourth proportional to 220,096.67, 330,048.86 and 77,894.70 is: 116,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,096.67 : 330,048.86 = 77,894.70 : x
  2. Step 2: Convert to fraction form
    220,096.67/330,048.86 = 77,894.70/x
  3. Step 3: Cross multiply
    220,096.67x = 330,048.86 × 77,894.70
  4. Step 4: Simplify right side
    220,096.67x = 25,709,056,935.04
  5. Step 5: Solve for x
    x = 25,709,056,935.04/220,096.67
  6. Step 6: Final answer
    x = 116,808.02

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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.