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Finding the Fourth Proportional to 282,671.65, 390,120.06 and 167,951.25

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Solution

The fourth proportional to 282,671.65, 390,120.06 and 167,951.25 is: 231,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,671.65 : 390,120.06 = 167,951.25 : x
  2. Step 2: Convert to fraction form
    282,671.65/390,120.06 = 167,951.25/x
  3. Step 3: Cross multiply
    282,671.65x = 390,120.06 × 167,951.25
  4. Step 4: Simplify right side
    282,671.65x = 65,521,151,727.08
  5. Step 5: Solve for x
    x = 65,521,151,727.08/282,671.65
  6. Step 6: Final answer
    x = 231,792.44

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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.