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Finding the Fourth Proportional to 171,762.80, 257,667.60 and 59,412.88

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Solution

The fourth proportional to 171,762.80, 257,667.60 and 59,412.88 is: 89,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,762.80 : 257,667.60 = 59,412.88 : x
  2. Step 2: Convert to fraction form
    171,762.80/257,667.60 = 59,412.88/x
  3. Step 3: Cross multiply
    171,762.80x = 257,667.60 × 59,412.88
  4. Step 4: Simplify right side
    171,762.80x = 15,308,774,198.69
  5. Step 5: Solve for x
    x = 15,308,774,198.69/171,762.80
  6. Step 6: Final answer
    x = 89,127.41

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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.