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Finding the Fourth Proportional to 163,980.82, 245,916.20 and 62,755.26

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Solution

The fourth proportional to 163,980.82, 245,916.20 and 62,755.26 is: 94,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,980.82 : 245,916.20 = 62,755.26 : x
  2. Step 2: Convert to fraction form
    163,980.82/245,916.20 = 62,755.26/x
  3. Step 3: Cross multiply
    163,980.82x = 245,916.20 × 62,755.26
  4. Step 4: Simplify right side
    163,980.82x = 15,432,535,226.10
  5. Step 5: Solve for x
    x = 15,432,535,226.10/163,980.82
  6. Step 6: Final answer
    x = 94,111.83

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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.