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Finding the Fourth Proportional to 130,737.70, 196,080.74 and 35,943.44

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Solution

The fourth proportional to 130,737.70, 196,080.74 and 35,943.44 is: 53,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,737.70 : 196,080.74 = 35,943.44 : x
  2. Step 2: Convert to fraction form
    130,737.70/196,080.74 = 35,943.44/x
  3. Step 3: Cross multiply
    130,737.70x = 196,080.74 × 35,943.44
  4. Step 4: Simplify right side
    130,737.70x = 7,047,816,133.63
  5. Step 5: Solve for x
    x = 7,047,816,133.63/130,737.70
  6. Step 6: Final answer
    x = 53,908.06

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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.