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Finding the Fourth Proportional to 112,382.40, 168,573.60 and 53,333.40

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Solution

The fourth proportional to 112,382.40, 168,573.60 and 53,333.40 is: 80,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,382.40 : 168,573.60 = 53,333.40 : x
  2. Step 2: Convert to fraction form
    112,382.40/168,573.60 = 53,333.40/x
  3. Step 3: Cross multiply
    112,382.40x = 168,573.60 × 53,333.40
  4. Step 4: Simplify right side
    112,382.40x = 8,990,603,238.24
  5. Step 5: Solve for x
    x = 8,990,603,238.24/112,382.40
  6. Step 6: Final answer
    x = 80,000.10

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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.