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Finding the Fourth Proportional to 118,104.72, 177,259.48 and 61,984.48

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Solution

The fourth proportional to 118,104.72, 177,259.48 and 61,984.48 is: 93,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104.72 : 177,259.48 = 61,984.48 : x
  2. Step 2: Convert to fraction form
    118,104.72/177,259.48 = 61,984.48/x
  3. Step 3: Cross multiply
    118,104.72x = 177,259.48 × 61,984.48
  4. Step 4: Simplify right side
    118,104.72x = 10,987,336,692.87
  5. Step 5: Solve for x
    x = 10,987,336,692.87/118,104.72
  6. Step 6: Final answer
    x = 93,030.46

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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.