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Finding the Fourth Proportional to 64,124.93, 96,197.92 and 19,751.69

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Solution

The fourth proportional to 64,124.93, 96,197.92 and 19,751.69 is: 29,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,124.93 : 96,197.92 = 19,751.69 : x
  2. Step 2: Convert to fraction form
    64,124.93/96,197.92 = 19,751.69/x
  3. Step 3: Cross multiply
    64,124.93x = 96,197.92 × 19,751.69
  4. Step 4: Simplify right side
    64,124.93x = 1,900,071,013.50
  5. Step 5: Solve for x
    x = 1,900,071,013.50/64,124.93
  6. Step 6: Final answer
    x = 29,630.77

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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.