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Finding the Fourth Proportional to 83,395, 115,085.46 and 45,669.88

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Solution

The fourth proportional to 83,395, 115,085.46 and 45,669.88 is: 63,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395 : 115,085.46 = 45,669.88 : x
  2. Step 2: Convert to fraction form
    83,395/115,085.46 = 45,669.88/x
  3. Step 3: Cross multiply
    83,395x = 115,085.46 × 45,669.88
  4. Step 4: Simplify right side
    83,395x = 5,255,939,147.94
  5. Step 5: Solve for x
    x = 5,255,939,147.94/83,395
  6. Step 6: Final answer
    x = 63,024.63

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