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Finding the Fourth Proportional to 248,994.50, 343,624.56 and 140,132.84

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Solution

The fourth proportional to 248,994.50, 343,624.56 and 140,132.84 is: 193,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,994.50 : 343,624.56 = 140,132.84 : x
  2. Step 2: Convert to fraction form
    248,994.50/343,624.56 = 140,132.84/x
  3. Step 3: Cross multiply
    248,994.50x = 343,624.56 × 140,132.84
  4. Step 4: Simplify right side
    248,994.50x = 48,153,085,486.55
  5. Step 5: Solve for x
    x = 48,153,085,486.55/248,994.50
  6. Step 6: Final answer
    x = 193,390.16

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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.