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Finding the Fourth Proportional to 246,859.94, 340,802.30 and 155,074.97

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Solution

The fourth proportional to 246,859.94, 340,802.30 and 155,074.97 is: 214,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,859.94 : 340,802.30 = 155,074.97 : x
  2. Step 2: Convert to fraction form
    246,859.94/340,802.30 = 155,074.97/x
  3. Step 3: Cross multiply
    246,859.94x = 340,802.30 × 155,074.97
  4. Step 4: Simplify right side
    246,859.94x = 52,849,903,969.04
  5. Step 5: Solve for x
    x = 52,849,903,969.04/246,859.94
  6. Step 6: Final answer
    x = 214,088.62

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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.