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Finding the Fourth Proportional to 248,429.76, 372,644.76 and 79,950.07

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Solution

The fourth proportional to 248,429.76, 372,644.76 and 79,950.07 is: 119,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,429.76 : 372,644.76 = 79,950.07 : x
  2. Step 2: Convert to fraction form
    248,429.76/372,644.76 = 79,950.07/x
  3. Step 3: Cross multiply
    248,429.76x = 372,644.76 × 79,950.07
  4. Step 4: Simplify right side
    248,429.76x = 29,792,972,384.16
  5. Step 5: Solve for x
    x = 29,792,972,384.16/248,429.76
  6. Step 6: Final answer
    x = 119,925.13

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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.