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Finding the Fourth Proportional to 180,146.91, 270,258.95 and 53,797.11

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Solution

The fourth proportional to 180,146.91, 270,258.95 and 53,797.11 is: 80,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,146.91 : 270,258.95 = 53,797.11 : x
  2. Step 2: Convert to fraction form
    180,146.91/270,258.95 = 53,797.11/x
  3. Step 3: Cross multiply
    180,146.91x = 270,258.95 × 53,797.11
  4. Step 4: Simplify right side
    180,146.91x = 14,539,150,596.13
  5. Step 5: Solve for x
    x = 14,539,150,596.13/180,146.91
  6. Step 6: Final answer
    x = 80,707.19

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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.