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Finding the Fourth Proportional to 79,417.01, 119,696.33 and 68,455.98

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Solution

The fourth proportional to 79,417.01, 119,696.33 and 68,455.98 is: 103,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.01 : 119,696.33 = 68,455.98 : x
  2. Step 2: Convert to fraction form
    79,417.01/119,696.33 = 68,455.98/x
  3. Step 3: Cross multiply
    79,417.01x = 119,696.33 × 68,455.98
  4. Step 4: Simplify right side
    79,417.01x = 8,193,929,743.69
  5. Step 5: Solve for x
    x = 8,193,929,743.69/79,417.01
  6. Step 6: Final answer
    x = 103,176.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.