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Finding the Fourth Proportional to 73,527.84, 110,258.64 and 20,925.36

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Solution

The fourth proportional to 73,527.84, 110,258.64 and 20,925.36 is: 31,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,527.84 : 110,258.64 = 20,925.36 : x
  2. Step 2: Convert to fraction form
    73,527.84/110,258.64 = 20,925.36/x
  3. Step 3: Cross multiply
    73,527.84x = 110,258.64 × 20,925.36
  4. Step 4: Simplify right side
    73,527.84x = 2,307,201,735.11
  5. Step 5: Solve for x
    x = 2,307,201,735.11/73,527.84
  6. Step 6: Final answer
    x = 31,378.61

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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.