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Finding the Fourth Proportional to 171,527.60, 257,329.20 and 57,671.52

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Solution

The fourth proportional to 171,527.60, 257,329.20 and 57,671.52 is: 86,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,527.60 : 257,329.20 = 57,671.52 : x
  2. Step 2: Convert to fraction form
    171,527.60/257,329.20 = 57,671.52/x
  3. Step 3: Cross multiply
    171,527.60x = 257,329.20 × 57,671.52
  4. Step 4: Simplify right side
    171,527.60x = 14,840,566,104.38
  5. Step 5: Solve for x
    x = 14,840,566,104.38/171,527.60
  6. Step 6: Final answer
    x = 86,519.99

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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.