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Finding the Fourth Proportional to 246,510.72, 340,165.44 and 139,106.88

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Solution

The fourth proportional to 246,510.72, 340,165.44 and 139,106.88 is: 191,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,510.72 : 340,165.44 = 139,106.88 : x
  2. Step 2: Convert to fraction form
    246,510.72/340,165.44 = 139,106.88/x
  3. Step 3: Cross multiply
    246,510.72x = 340,165.44 × 139,106.88
  4. Step 4: Simplify right side
    246,510.72x = 47,319,353,042.23
  5. Step 5: Solve for x
    x = 47,319,353,042.23/246,510.72
  6. Step 6: Final answer
    x = 191,956.57

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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.