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Finding the Fourth Proportional to 98,121.95, 147,204.86 and 35,792.45

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Solution

The fourth proportional to 98,121.95, 147,204.86 and 35,792.45 is: 53,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,121.95 : 147,204.86 = 35,792.45 : x
  2. Step 2: Convert to fraction form
    98,121.95/147,204.86 = 35,792.45/x
  3. Step 3: Cross multiply
    98,121.95x = 147,204.86 × 35,792.45
  4. Step 4: Simplify right side
    98,121.95x = 5,268,821,676.32
  5. Step 5: Solve for x
    x = 5,268,821,676.32/98,121.95
  6. Step 6: Final answer
    x = 53,696.67

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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.