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Finding the Fourth Proportional to 171,547.74, 236,529.99 and 147,633.30

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Solution

The fourth proportional to 171,547.74, 236,529.99 and 147,633.30 is: 203,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,547.74 : 236,529.99 = 147,633.30 : x
  2. Step 2: Convert to fraction form
    171,547.74/236,529.99 = 147,633.30/x
  3. Step 3: Cross multiply
    171,547.74x = 236,529.99 × 147,633.30
  4. Step 4: Simplify right side
    171,547.74x = 34,919,702,972.67
  5. Step 5: Solve for x
    x = 34,919,702,972.67/171,547.74
  6. Step 6: Final answer
    x = 203,556.76

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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.