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Finding the Fourth Proportional to 158,479.08, 237,796.02 and 69,721.50

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Solution

The fourth proportional to 158,479.08, 237,796.02 and 69,721.50 is: 104,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,479.08 : 237,796.02 = 69,721.50 : x
  2. Step 2: Convert to fraction form
    158,479.08/237,796.02 = 69,721.50/x
  3. Step 3: Cross multiply
    158,479.08x = 237,796.02 × 69,721.50
  4. Step 4: Simplify right side
    158,479.08x = 16,579,495,208.43
  5. Step 5: Solve for x
    x = 16,579,495,208.43/158,479.08
  6. Step 6: Final answer
    x = 104,616.30

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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.