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Finding the Fourth Proportional to 171,637.34, 257,392.80 and 59,288.72

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Solution

The fourth proportional to 171,637.34, 257,392.80 and 59,288.72 is: 88,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,637.34 : 257,392.80 = 59,288.72 : x
  2. Step 2: Convert to fraction form
    171,637.34/257,392.80 = 59,288.72/x
  3. Step 3: Cross multiply
    171,637.34x = 257,392.80 × 59,288.72
  4. Step 4: Simplify right side
    171,637.34x = 15,260,488,362.25
  5. Step 5: Solve for x
    x = 15,260,488,362.25/171,637.34
  6. Step 6: Final answer
    x = 88,911.24

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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.