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Finding the Fourth Proportional to 112,399.92, 168,454.53 and 84,097.92

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Solution

The fourth proportional to 112,399.92, 168,454.53 and 84,097.92 is: 126,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,399.92 : 168,454.53 = 84,097.92 : x
  2. Step 2: Convert to fraction form
    112,399.92/168,454.53 = 84,097.92/x
  3. Step 3: Cross multiply
    112,399.92x = 168,454.53 × 84,097.92
  4. Step 4: Simplify right side
    112,399.92x = 14,166,674,745.31
  5. Step 5: Solve for x
    x = 14,166,674,745.31/112,399.92
  6. Step 6: Final answer
    x = 126,038.13

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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.