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Finding the Fourth Proportional to 59,900.69, 89,841.51 and 19,916.34

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Solution

The fourth proportional to 59,900.69, 89,841.51 and 19,916.34 is: 29,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,900.69 : 89,841.51 = 19,916.34 : x
  2. Step 2: Convert to fraction form
    59,900.69/89,841.51 = 19,916.34/x
  3. Step 3: Cross multiply
    59,900.69x = 89,841.51 × 19,916.34
  4. Step 4: Simplify right side
    59,900.69x = 1,789,314,059.27
  5. Step 5: Solve for x
    x = 1,789,314,059.27/59,900.69
  6. Step 6: Final answer
    x = 29,871.35

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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.