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Finding the Fourth Proportional to 248,383.74, 342,750.02 and 140,953.77

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Solution

The fourth proportional to 248,383.74, 342,750.02 and 140,953.77 is: 194,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,383.74 : 342,750.02 = 140,953.77 : x
  2. Step 2: Convert to fraction form
    248,383.74/342,750.02 = 140,953.77/x
  3. Step 3: Cross multiply
    248,383.74x = 342,750.02 × 140,953.77
  4. Step 4: Simplify right side
    248,383.74x = 48,311,907,486.58
  5. Step 5: Solve for x
    x = 48,311,907,486.58/248,383.74
  6. Step 6: Final answer
    x = 194,505.11

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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.