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Finding the Fourth Proportional to 183,443.13, 253,044 and 115,352.10

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Solution

The fourth proportional to 183,443.13, 253,044 and 115,352.10 is: 159,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,443.13 : 253,044 = 115,352.10 : x
  2. Step 2: Convert to fraction form
    183,443.13/253,044 = 115,352.10/x
  3. Step 3: Cross multiply
    183,443.13x = 253,044 × 115,352.10
  4. Step 4: Simplify right side
    183,443.13x = 29,189,156,792.40
  5. Step 5: Solve for x
    x = 29,189,156,792.40/183,443.13
  6. Step 6: Final answer
    x = 159,118.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.