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Finding the Fourth Proportional to 73,516.84, 110,258.70 and 20,925.16

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Solution

The fourth proportional to 73,516.84, 110,258.70 and 20,925.16 is: 31,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,516.84 : 110,258.70 = 20,925.16 : x
  2. Step 2: Convert to fraction form
    73,516.84/110,258.70 = 20,925.16/x
  3. Step 3: Cross multiply
    73,516.84x = 110,258.70 × 20,925.16
  4. Step 4: Simplify right side
    73,516.84x = 2,307,180,938.89
  5. Step 5: Solve for x
    x = 2,307,180,938.89/73,516.84
  6. Step 6: Final answer
    x = 31,383.03

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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.