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Finding the Fourth Proportional to 171,109.44, 257,615.28 and 148,248

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Solution

The fourth proportional to 171,109.44, 257,615.28 and 148,248 is: 223,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,109.44 : 257,615.28 = 148,248 : x
  2. Step 2: Convert to fraction form
    171,109.44/257,615.28 = 148,248/x
  3. Step 3: Cross multiply
    171,109.44x = 257,615.28 × 148,248
  4. Step 4: Simplify right side
    171,109.44x = 38,190,950,029.44
  5. Step 5: Solve for x
    x = 38,190,950,029.44/171,109.44
  6. Step 6: Final answer
    x = 223,196.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.