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Finding the Fourth Proportional to 351,376, 527,078.58 and 102,058

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Solution

The fourth proportional to 351,376, 527,078.58 and 102,058 is: 153,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,376 : 527,078.58 = 102,058 : x
  2. Step 2: Convert to fraction form
    351,376/527,078.58 = 102,058/x
  3. Step 3: Cross multiply
    351,376x = 527,078.58 × 102,058
  4. Step 4: Simplify right side
    351,376x = 53,792,585,717.64
  5. Step 5: Solve for x
    x = 53,792,585,717.64/351,376
  6. Step 6: Final answer
    x = 153,091.23

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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.