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Finding the Fourth Proportional to 102,035.70, 153,053.55 and 73,896.30

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Solution

The fourth proportional to 102,035.70, 153,053.55 and 73,896.30 is: 110,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,035.70 : 153,053.55 = 73,896.30 : x
  2. Step 2: Convert to fraction form
    102,035.70/153,053.55 = 73,896.30/x
  3. Step 3: Cross multiply
    102,035.70x = 153,053.55 × 73,896.30
  4. Step 4: Simplify right side
    102,035.70x = 11,310,091,046.87
  5. Step 5: Solve for x
    x = 11,310,091,046.87/102,035.70
  6. Step 6: Final answer
    x = 110,844.45

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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.