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Finding the Fourth Proportional to 174,843.36, 261,754.74 and 130,063.32

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Solution

The fourth proportional to 174,843.36, 261,754.74 and 130,063.32 is: 194,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,843.36 : 261,754.74 = 130,063.32 : x
  2. Step 2: Convert to fraction form
    174,843.36/261,754.74 = 130,063.32/x
  3. Step 3: Cross multiply
    174,843.36x = 261,754.74 × 130,063.32
  4. Step 4: Simplify right side
    174,843.36x = 34,044,690,510.14
  5. Step 5: Solve for x
    x = 34,044,690,510.14/174,843.36
  6. Step 6: Final answer
    x = 194,715.38

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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.