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Finding the Fourth Proportional to 160,793.32, 221,880.12 and 89,173.12

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Solution

The fourth proportional to 160,793.32, 221,880.12 and 89,173.12 is: 123,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,793.32 : 221,880.12 = 89,173.12 : x
  2. Step 2: Convert to fraction form
    160,793.32/221,880.12 = 89,173.12/x
  3. Step 3: Cross multiply
    160,793.32x = 221,880.12 × 89,173.12
  4. Step 4: Simplify right side
    160,793.32x = 19,785,742,566.37
  5. Step 5: Solve for x
    x = 19,785,742,566.37/160,793.32
  6. Step 6: Final answer
    x = 123,050.77

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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.