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Finding the Fourth Proportional to 89,888.48, 134,831.64 and 23,322.68

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Solution

The fourth proportional to 89,888.48, 134,831.64 and 23,322.68 is: 34,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.48 : 134,831.64 = 23,322.68 : x
  2. Step 2: Convert to fraction form
    89,888.48/134,831.64 = 23,322.68/x
  3. Step 3: Cross multiply
    89,888.48x = 134,831.64 × 23,322.68
  4. Step 4: Simplify right side
    89,888.48x = 3,144,635,193.60
  5. Step 5: Solve for x
    x = 3,144,635,193.60/89,888.48
  6. Step 6: Final answer
    x = 34,983.74

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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.