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Finding the Fourth Proportional to 128,573.97, 192,873.64 and 44,323.04

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Solution

The fourth proportional to 128,573.97, 192,873.64 and 44,323.04 is: 66,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,573.97 : 192,873.64 = 44,323.04 : x
  2. Step 2: Convert to fraction form
    128,573.97/192,873.64 = 44,323.04/x
  3. Step 3: Cross multiply
    128,573.97x = 192,873.64 × 44,323.04
  4. Step 4: Simplify right side
    128,573.97x = 8,548,746,060.67
  5. Step 5: Solve for x
    x = 8,548,746,060.67/128,573.97
  6. Step 6: Final answer
    x = 66,488.93

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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.