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Finding the Fourth Proportional to 246,854.48, 340,659.42 and 139,424.72

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Solution

The fourth proportional to 246,854.48, 340,659.42 and 139,424.72 is: 192,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,854.48 : 340,659.42 = 139,424.72 : x
  2. Step 2: Convert to fraction form
    246,854.48/340,659.42 = 139,424.72/x
  3. Step 3: Cross multiply
    246,854.48x = 340,659.42 × 139,424.72
  4. Step 4: Simplify right side
    246,854.48x = 47,496,344,248.86
  5. Step 5: Solve for x
    x = 47,496,344,248.86/246,854.48
  6. Step 6: Final answer
    x = 192,406.25

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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.