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Finding the Fourth Proportional to 246,624.72, 340,343.28 and 139,199.28

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Solution

The fourth proportional to 246,624.72, 340,343.28 and 139,199.28 is: 192,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,624.72 : 340,343.28 = 139,199.28 : x
  2. Step 2: Convert to fraction form
    246,624.72/340,343.28 = 139,199.28/x
  3. Step 3: Cross multiply
    246,624.72x = 340,343.28 × 139,199.28
  4. Step 4: Simplify right side
    246,624.72x = 47,375,539,528.84
  5. Step 5: Solve for x
    x = 47,375,539,528.84/246,624.72
  6. Step 6: Final answer
    x = 192,095.66

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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.