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Finding the Fourth Proportional to 98,052.80, 147,117.60 and 35,729.60

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Solution

The fourth proportional to 98,052.80, 147,117.60 and 35,729.60 is: 53,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,052.80 : 147,117.60 = 35,729.60 : x
  2. Step 2: Convert to fraction form
    98,052.80/147,117.60 = 35,729.60/x
  3. Step 3: Cross multiply
    98,052.80x = 147,117.60 × 35,729.60
  4. Step 4: Simplify right side
    98,052.80x = 5,256,453,000.96
  5. Step 5: Solve for x
    x = 5,256,453,000.96/98,052.80
  6. Step 6: Final answer
    x = 53,608.39

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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.