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Finding the Fourth Proportional to 238,696.13, 358,017.33 and 61,207.31

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Solution

The fourth proportional to 238,696.13, 358,017.33 and 61,207.31 is: 91,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,696.13 : 358,017.33 = 61,207.31 : x
  2. Step 2: Convert to fraction form
    238,696.13/358,017.33 = 61,207.31/x
  3. Step 3: Cross multiply
    238,696.13x = 358,017.33 × 61,207.31
  4. Step 4: Simplify right side
    238,696.13x = 21,913,277,702.68
  5. Step 5: Solve for x
    x = 21,913,277,702.68/238,696.13
  6. Step 6: Final answer
    x = 91,804.08

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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.