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Finding the Fourth Proportional to 68,130.81, 94,024.93 and 37,916.03

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Solution

The fourth proportional to 68,130.81, 94,024.93 and 37,916.03 is: 52,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,130.81 : 94,024.93 = 37,916.03 : x
  2. Step 2: Convert to fraction form
    68,130.81/94,024.93 = 37,916.03/x
  3. Step 3: Cross multiply
    68,130.81x = 94,024.93 × 37,916.03
  4. Step 4: Simplify right side
    68,130.81x = 3,565,052,206.90
  5. Step 5: Solve for x
    x = 3,565,052,206.90/68,130.81
  6. Step 6: Final answer
    x = 52,326.58

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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.