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Finding the Fourth Proportional to 196,280.60, 294,075.30 and 161,029.40

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Solution

The fourth proportional to 196,280.60, 294,075.30 and 161,029.40 is: 241,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,280.60 : 294,075.30 = 161,029.40 : x
  2. Step 2: Convert to fraction form
    196,280.60/294,075.30 = 161,029.40/x
  3. Step 3: Cross multiply
    196,280.60x = 294,075.30 × 161,029.40
  4. Step 4: Simplify right side
    196,280.60x = 47,354,769,113.82
  5. Step 5: Solve for x
    x = 47,354,769,113.82/196,280.60
  6. Step 6: Final answer
    x = 241,260.57

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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.