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Finding the Fourth Proportional to 103,044.17, 154,623.67 and 55,658.23

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Solution

The fourth proportional to 103,044.17, 154,623.67 and 55,658.23 is: 83,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,044.17 : 154,623.67 = 55,658.23 : x
  2. Step 2: Convert to fraction form
    103,044.17/154,623.67 = 55,658.23/x
  3. Step 3: Cross multiply
    103,044.17x = 154,623.67 × 55,658.23
  4. Step 4: Simplify right side
    103,044.17x = 8,606,079,262.60
  5. Step 5: Solve for x
    x = 8,606,079,262.60/103,044.17
  6. Step 6: Final answer
    x = 83,518.35

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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.