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Finding the Fourth Proportional to 158,636.64, 238,017.27 and 69,827.89

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Solution

The fourth proportional to 158,636.64, 238,017.27 and 69,827.89 is: 104,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,636.64 : 238,017.27 = 69,827.89 : x
  2. Step 2: Convert to fraction form
    158,636.64/238,017.27 = 69,827.89/x
  3. Step 3: Cross multiply
    158,636.64x = 238,017.27 × 69,827.89
  4. Step 4: Simplify right side
    158,636.64x = 16,620,243,747.66
  5. Step 5: Solve for x
    x = 16,620,243,747.66/158,636.64
  6. Step 6: Final answer
    x = 104,769.26

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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.