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Finding the Fourth Proportional to 107,954.91, 148,977.32 and 59,555.54

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Solution

The fourth proportional to 107,954.91, 148,977.32 and 59,555.54 is: 82,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,954.91 : 148,977.32 = 59,555.54 : x
  2. Step 2: Convert to fraction form
    107,954.91/148,977.32 = 59,555.54/x
  3. Step 3: Cross multiply
    107,954.91x = 148,977.32 × 59,555.54
  4. Step 4: Simplify right side
    107,954.91x = 8,872,424,740.35
  5. Step 5: Solve for x
    x = 8,872,424,740.35/107,954.91
  6. Step 6: Final answer
    x = 82,186.39

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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.