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Finding the Fourth Proportional to 70,646.58, 106,006.22 and 39,050.77

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Solution

The fourth proportional to 70,646.58, 106,006.22 and 39,050.77 is: 58,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,646.58 : 106,006.22 = 39,050.77 : x
  2. Step 2: Convert to fraction form
    70,646.58/106,006.22 = 39,050.77/x
  3. Step 3: Cross multiply
    70,646.58x = 106,006.22 × 39,050.77
  4. Step 4: Simplify right side
    70,646.58x = 4,139,624,515.79
  5. Step 5: Solve for x
    x = 4,139,624,515.79/70,646.58
  6. Step 6: Final answer
    x = 58,596.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.