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Finding the Fourth Proportional to 171,831.16, 257,684.94 and 59,480.92

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Solution

The fourth proportional to 171,831.16, 257,684.94 and 59,480.92 is: 89,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,831.16 : 257,684.94 = 59,480.92 : x
  2. Step 2: Convert to fraction form
    171,831.16/257,684.94 = 59,480.92/x
  3. Step 3: Cross multiply
    171,831.16x = 257,684.94 × 59,480.92
  4. Step 4: Simplify right side
    171,831.16x = 15,327,337,301.34
  5. Step 5: Solve for x
    x = 15,327,337,301.34/171,831.16
  6. Step 6: Final answer
    x = 89,199.99

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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.