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Finding the Fourth Proportional to 246,661.65, 369,950.75 and 69,127.80

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Solution

The fourth proportional to 246,661.65, 369,950.75 and 69,127.80 is: 103,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,661.65 : 369,950.75 = 69,127.80 : x
  2. Step 2: Convert to fraction form
    246,661.65/369,950.75 = 69,127.80/x
  3. Step 3: Cross multiply
    246,661.65x = 369,950.75 × 69,127.80
  4. Step 4: Simplify right side
    246,661.65x = 25,573,881,110.21
  5. Step 5: Solve for x
    x = 25,573,881,110.21/246,661.65
  6. Step 6: Final answer
    x = 103,680.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.