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Finding the Fourth Proportional to 160,968.80, 241,453.20 and 42,652.10

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Solution

The fourth proportional to 160,968.80, 241,453.20 and 42,652.10 is: 63,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.80 : 241,453.20 = 42,652.10 : x
  2. Step 2: Convert to fraction form
    160,968.80/241,453.20 = 42,652.10/x
  3. Step 3: Cross multiply
    160,968.80x = 241,453.20 × 42,652.10
  4. Step 4: Simplify right side
    160,968.80x = 10,298,486,031.72
  5. Step 5: Solve for x
    x = 10,298,486,031.72/160,968.80
  6. Step 6: Final answer
    x = 63,978.15

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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.