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Finding the Fourth Proportional to 246,987.74, 340,843.43 and 133,810.49

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Solution

The fourth proportional to 246,987.74, 340,843.43 and 133,810.49 is: 184,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,987.74 : 340,843.43 = 133,810.49 : x
  2. Step 2: Convert to fraction form
    246,987.74/340,843.43 = 133,810.49/x
  3. Step 3: Cross multiply
    246,987.74x = 340,843.43 × 133,810.49
  4. Step 4: Simplify right side
    246,987.74x = 45,608,426,381.58
  5. Step 5: Solve for x
    x = 45,608,426,381.58/246,987.74
  6. Step 6: Final answer
    x = 184,658.67

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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.