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Finding the Fourth Proportional to 112,003.60, 168,043.80 and 49,718.80

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Solution

The fourth proportional to 112,003.60, 168,043.80 and 49,718.80 is: 74,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003.60 : 168,043.80 = 49,718.80 : x
  2. Step 2: Convert to fraction form
    112,003.60/168,043.80 = 49,718.80/x
  3. Step 3: Cross multiply
    112,003.60x = 168,043.80 × 49,718.80
  4. Step 4: Simplify right side
    112,003.60x = 8,354,936,083.44
  5. Step 5: Solve for x
    x = 8,354,936,083.44/112,003.60
  6. Step 6: Final answer
    x = 74,595.25

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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.