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Finding the Fourth Proportional to 104,778.71, 157,169.51 and 29,898.83

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Solution

The fourth proportional to 104,778.71, 157,169.51 and 29,898.83 is: 44,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,778.71 : 157,169.51 = 29,898.83 : x
  2. Step 2: Convert to fraction form
    104,778.71/157,169.51 = 29,898.83/x
  3. Step 3: Cross multiply
    104,778.71x = 157,169.51 × 29,898.83
  4. Step 4: Simplify right side
    104,778.71x = 4,699,185,016.22
  5. Step 5: Solve for x
    x = 4,699,185,016.22/104,778.71
  6. Step 6: Final answer
    x = 44,848.66

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1.5x scale

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.