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Finding the Fourth Proportional to 220,968, 304,924.91 and 134,827.61

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Solution

The fourth proportional to 220,968, 304,924.91 and 134,827.61 is: 186,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,968 : 304,924.91 = 134,827.61 : x
  2. Step 2: Convert to fraction form
    220,968/304,924.91 = 134,827.61/x
  3. Step 3: Cross multiply
    220,968x = 304,924.91 × 134,827.61
  4. Step 4: Simplify right side
    220,968x = 41,112,294,646.00
  5. Step 5: Solve for x
    x = 41,112,294,646.00/220,968
  6. Step 6: Final answer
    x = 186,055.42

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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.