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Finding the Fourth Proportional to 96,666.66, 144,953.97 and 39,731.67

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Solution

The fourth proportional to 96,666.66, 144,953.97 and 39,731.67 is: 59,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,666.66 : 144,953.97 = 39,731.67 : x
  2. Step 2: Convert to fraction form
    96,666.66/144,953.97 = 39,731.67/x
  3. Step 3: Cross multiply
    96,666.66x = 144,953.97 × 39,731.67
  4. Step 4: Simplify right side
    96,666.66x = 5,759,263,301.23
  5. Step 5: Solve for x
    x = 5,759,263,301.23/96,666.66
  6. Step 6: Final answer
    x = 59,578.59

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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.