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Finding the Fourth Proportional to 118,162.67, 177,243.09 and 29,415.59

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Solution

The fourth proportional to 118,162.67, 177,243.09 and 29,415.59 is: 44,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,162.67 : 177,243.09 = 29,415.59 : x
  2. Step 2: Convert to fraction form
    118,162.67/177,243.09 = 29,415.59/x
  3. Step 3: Cross multiply
    118,162.67x = 177,243.09 × 29,415.59
  4. Step 4: Simplify right side
    118,162.67x = 5,213,710,065.77
  5. Step 5: Solve for x
    x = 5,213,710,065.77/118,162.67
  6. Step 6: Final answer
    x = 44,123.16

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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.