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Finding the Fourth Proportional to 118,283.76, 177,428.34 and 39,404.34

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Solution

The fourth proportional to 118,283.76, 177,428.34 and 39,404.34 is: 59,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,283.76 : 177,428.34 = 39,404.34 : x
  2. Step 2: Convert to fraction form
    118,283.76/177,428.34 = 39,404.34/x
  3. Step 3: Cross multiply
    118,283.76x = 177,428.34 × 39,404.34
  4. Step 4: Simplify right side
    118,283.76x = 6,991,446,635.00
  5. Step 5: Solve for x
    x = 6,991,446,635.00/118,283.76
  6. Step 6: Final answer
    x = 59,107.41

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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.