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Finding the Fourth Proportional to 98,265.78, 147,406.37 and 35,099.55

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Solution

The fourth proportional to 98,265.78, 147,406.37 and 35,099.55 is: 52,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,265.78 : 147,406.37 = 35,099.55 : x
  2. Step 2: Convert to fraction form
    98,265.78/147,406.37 = 35,099.55/x
  3. Step 3: Cross multiply
    98,265.78x = 147,406.37 × 35,099.55
  4. Step 4: Simplify right side
    98,265.78x = 5,173,897,078.64
  5. Step 5: Solve for x
    x = 5,173,897,078.64/98,265.78
  6. Step 6: Final answer
    x = 52,652.07

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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.