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Finding the Fourth Proportional to 216,656.14, 325,061.13 and 96,702.17

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Solution

The fourth proportional to 216,656.14, 325,061.13 and 96,702.17 is: 145,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,656.14 : 325,061.13 = 96,702.17 : x
  2. Step 2: Convert to fraction form
    216,656.14/325,061.13 = 96,702.17/x
  3. Step 3: Cross multiply
    216,656.14x = 325,061.13 × 96,702.17
  4. Step 4: Simplify right side
    216,656.14x = 31,434,116,653.65
  5. Step 5: Solve for x
    x = 31,434,116,653.65/216,656.14
  6. Step 6: Final answer
    x = 145,087.59

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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.