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Finding the Fourth Proportional to 88,831.81, 133,157.83 and 38,263.80

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Solution

The fourth proportional to 88,831.81, 133,157.83 and 38,263.80 is: 57,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,831.81 : 133,157.83 = 38,263.80 : x
  2. Step 2: Convert to fraction form
    88,831.81/133,157.83 = 38,263.80/x
  3. Step 3: Cross multiply
    88,831.81x = 133,157.83 × 38,263.80
  4. Step 4: Simplify right side
    88,831.81x = 5,095,124,575.55
  5. Step 5: Solve for x
    x = 5,095,124,575.55/88,831.81
  6. Step 6: Final answer
    x = 57,356.98

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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.