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Finding the Fourth Proportional to 118,169.79, 177,106.86 and 59,021.97

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Solution

The fourth proportional to 118,169.79, 177,106.86 and 59,021.97 is: 88,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.79 : 177,106.86 = 59,021.97 : x
  2. Step 2: Convert to fraction form
    118,169.79/177,106.86 = 59,021.97/x
  3. Step 3: Cross multiply
    118,169.79x = 177,106.86 × 59,021.97
  4. Step 4: Simplify right side
    118,169.79x = 10,453,195,482.60
  5. Step 5: Solve for x
    x = 10,453,195,482.60/118,169.79
  6. Step 6: Final answer
    x = 88,459.12

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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.