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Finding the Fourth Proportional to 118,525.70, 177,788.55 and 29,782.10

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Solution

The fourth proportional to 118,525.70, 177,788.55 and 29,782.10 is: 44,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,525.70 : 177,788.55 = 29,782.10 : x
  2. Step 2: Convert to fraction form
    118,525.70/177,788.55 = 29,782.10/x
  3. Step 3: Cross multiply
    118,525.70x = 177,788.55 × 29,782.10
  4. Step 4: Simplify right side
    118,525.70x = 5,294,916,374.96
  5. Step 5: Solve for x
    x = 5,294,916,374.96/118,525.70
  6. Step 6: Final answer
    x = 44,673.15

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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.