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Finding the Fourth Proportional to 248,785.33, 343,323.84 and 141,355.51

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Solution

The fourth proportional to 248,785.33, 343,323.84 and 141,355.51 is: 195,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,785.33 : 343,323.84 = 141,355.51 : x
  2. Step 2: Convert to fraction form
    248,785.33/343,323.84 = 141,355.51/x
  3. Step 3: Cross multiply
    248,785.33x = 343,323.84 × 141,355.51
  4. Step 4: Simplify right side
    248,785.33x = 48,530,716,498.36
  5. Step 5: Solve for x
    x = 48,530,716,498.36/248,785.33
  6. Step 6: Final answer
    x = 195,070.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.