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Finding the Fourth Proportional to 173,831.01, 260,787.21 and 53,881.71

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Solution

The fourth proportional to 173,831.01, 260,787.21 and 53,881.71 is: 80,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,831.01 : 260,787.21 = 53,881.71 : x
  2. Step 2: Convert to fraction form
    173,831.01/260,787.21 = 53,881.71/x
  3. Step 3: Cross multiply
    173,831.01x = 260,787.21 × 53,881.71
  4. Step 4: Simplify right side
    173,831.01x = 14,051,660,820.93
  5. Step 5: Solve for x
    x = 14,051,660,820.93/173,831.01
  6. Step 6: Final answer
    x = 80,835.18

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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.