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Finding the Fourth Proportional to 246,754.60, 340,541.46 and 139,350.76

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Solution

The fourth proportional to 246,754.60, 340,541.46 and 139,350.76 is: 192,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,754.60 : 340,541.46 = 139,350.76 : x
  2. Step 2: Convert to fraction form
    246,754.60/340,541.46 = 139,350.76/x
  3. Step 3: Cross multiply
    246,754.60x = 340,541.46 × 139,350.76
  4. Step 4: Simplify right side
    246,754.60x = 47,454,711,262.51
  5. Step 5: Solve for x
    x = 47,454,711,262.51/246,754.60
  6. Step 6: Final answer
    x = 192,315.41

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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.