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Finding the Fourth Proportional to 248,191.94, 342,623.86 and 152,780.42

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Solution

The fourth proportional to 248,191.94, 342,623.86 and 152,780.42 is: 210,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,191.94 : 342,623.86 = 152,780.42 : x
  2. Step 2: Convert to fraction form
    248,191.94/342,623.86 = 152,780.42/x
  3. Step 3: Cross multiply
    248,191.94x = 342,623.86 × 152,780.42
  4. Step 4: Simplify right side
    248,191.94x = 52,346,217,232.82
  5. Step 5: Solve for x
    x = 52,346,217,232.82/248,191.94
  6. Step 6: Final answer
    x = 210,910.22

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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.