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Finding the Fourth Proportional to 161,192.40, 241,788.60 and 147,414.30

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Solution

The fourth proportional to 161,192.40, 241,788.60 and 147,414.30 is: 221,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,192.40 : 241,788.60 = 147,414.30 : x
  2. Step 2: Convert to fraction form
    161,192.40/241,788.60 = 147,414.30/x
  3. Step 3: Cross multiply
    161,192.40x = 241,788.60 × 147,414.30
  4. Step 4: Simplify right side
    161,192.40x = 35,643,097,216.98
  5. Step 5: Solve for x
    x = 35,643,097,216.98/161,192.40
  6. Step 6: Final answer
    x = 221,121.45

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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.