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Finding the Fourth Proportional to 107,185.80, 147,916.80 and 59,443.56

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Solution

The fourth proportional to 107,185.80, 147,916.80 and 59,443.56 is: 82,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,185.80 : 147,916.80 = 59,443.56 : x
  2. Step 2: Convert to fraction form
    107,185.80/147,916.80 = 59,443.56/x
  3. Step 3: Cross multiply
    107,185.80x = 147,916.80 × 59,443.56
  4. Step 4: Simplify right side
    107,185.80x = 8,792,701,175.81
  5. Step 5: Solve for x
    x = 8,792,701,175.81/107,185.80
  6. Step 6: Final answer
    x = 82,032.33

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1.5x scale

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.