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Finding the Fourth Proportional to 114,025.30, 171,037.95 and 112,081.30

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Solution

The fourth proportional to 114,025.30, 171,037.95 and 112,081.30 is: 168,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,025.30 : 171,037.95 = 112,081.30 : x
  2. Step 2: Convert to fraction form
    114,025.30/171,037.95 = 112,081.30/x
  3. Step 3: Cross multiply
    114,025.30x = 171,037.95 × 112,081.30
  4. Step 4: Simplify right side
    114,025.30x = 19,170,155,785.34
  5. Step 5: Solve for x
    x = 19,170,155,785.34/114,025.30
  6. Step 6: Final answer
    x = 168,121.95

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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.