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Finding the Fourth Proportional to 102,792.48, 154,083.69 and 58,325.30

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Solution

The fourth proportional to 102,792.48, 154,083.69 and 58,325.30 is: 87,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,792.48 : 154,083.69 = 58,325.30 : x
  2. Step 2: Convert to fraction form
    102,792.48/154,083.69 = 58,325.30/x
  3. Step 3: Cross multiply
    102,792.48x = 154,083.69 × 58,325.30
  4. Step 4: Simplify right side
    102,792.48x = 8,986,976,673.94
  5. Step 5: Solve for x
    x = 8,986,976,673.94/102,792.48
  6. Step 6: Final answer
    x = 87,428.35

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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.