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Finding the Fourth Proportional to 109,202.58, 163,790.91 and 64,250.82

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Solution

The fourth proportional to 109,202.58, 163,790.91 and 64,250.82 is: 96,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,202.58 : 163,790.91 = 64,250.82 : x
  2. Step 2: Convert to fraction form
    109,202.58/163,790.91 = 64,250.82/x
  3. Step 3: Cross multiply
    109,202.58x = 163,790.91 × 64,250.82
  4. Step 4: Simplify right side
    109,202.58x = 10,523,700,276.05
  5. Step 5: Solve for x
    x = 10,523,700,276.05/109,202.58
  6. Step 6: Final answer
    x = 96,368.60

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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.