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Finding the Fourth Proportional to 247,006.59, 340,864.62 and 139,574.33

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Solution

The fourth proportional to 247,006.59, 340,864.62 and 139,574.33 is: 192,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006.59 : 340,864.62 = 139,574.33 : x
  2. Step 2: Convert to fraction form
    247,006.59/340,864.62 = 139,574.33/x
  3. Step 3: Cross multiply
    247,006.59x = 340,864.62 × 139,574.33
  4. Step 4: Simplify right side
    247,006.59x = 47,575,949,252.88
  5. Step 5: Solve for x
    x = 47,575,949,252.88/247,006.59
  6. Step 6: Final answer
    x = 192,610.04

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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.