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Finding the Fourth Proportional to 130,053.89, 194,921.06 and 73,940.94

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Solution

The fourth proportional to 130,053.89, 194,921.06 and 73,940.94 is: 110,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,053.89 : 194,921.06 = 73,940.94 : x
  2. Step 2: Convert to fraction form
    130,053.89/194,921.06 = 73,940.94/x
  3. Step 3: Cross multiply
    130,053.89x = 194,921.06 × 73,940.94
  4. Step 4: Simplify right side
    130,053.89x = 14,412,646,032.49
  5. Step 5: Solve for x
    x = 14,412,646,032.49/130,053.89
  6. Step 6: Final answer
    x = 110,820.57

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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.