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Finding the Fourth Proportional to 310,447.96, 465,658.98 and 88,831.96

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Solution

The fourth proportional to 310,447.96, 465,658.98 and 88,831.96 is: 133,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,447.96 : 465,658.98 = 88,831.96 : x
  2. Step 2: Convert to fraction form
    310,447.96/465,658.98 = 88,831.96/x
  3. Step 3: Cross multiply
    310,447.96x = 465,658.98 × 88,831.96
  4. Step 4: Simplify right side
    310,447.96x = 41,365,399,885.00
  5. Step 5: Solve for x
    x = 41,365,399,885.00/310,447.96
  6. Step 6: Final answer
    x = 133,244.23

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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.