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Finding the Fourth Proportional to 173,218.60, 260,022.30 and 133,949.80

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Solution

The fourth proportional to 173,218.60, 260,022.30 and 133,949.80 is: 201,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,218.60 : 260,022.30 = 133,949.80 : x
  2. Step 2: Convert to fraction form
    173,218.60/260,022.30 = 133,949.80/x
  3. Step 3: Cross multiply
    173,218.60x = 260,022.30 × 133,949.80
  4. Step 4: Simplify right side
    173,218.60x = 34,829,935,080.54
  5. Step 5: Solve for x
    x = 34,829,935,080.54/173,218.60
  6. Step 6: Final answer
    x = 201,075.03

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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.