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Finding the Fourth Proportional to 107,107.41, 147,801 and 58,708.77

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Solution

The fourth proportional to 107,107.41, 147,801 and 58,708.77 is: 81,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,107.41 : 147,801 = 58,708.77 : x
  2. Step 2: Convert to fraction form
    107,107.41/147,801 = 58,708.77/x
  3. Step 3: Cross multiply
    107,107.41x = 147,801 × 58,708.77
  4. Step 4: Simplify right side
    107,107.41x = 8,677,214,914.77
  5. Step 5: Solve for x
    x = 8,677,214,914.77/107,107.41
  6. Step 6: Final answer
    x = 81,014.14

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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.