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Finding the Fourth Proportional to 250,106.99, 375,196.56 and 81,585.63

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Solution

The fourth proportional to 250,106.99, 375,196.56 and 81,585.63 is: 122,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,106.99 : 375,196.56 = 81,585.63 : x
  2. Step 2: Convert to fraction form
    250,106.99/375,196.56 = 81,585.63/x
  3. Step 3: Cross multiply
    250,106.99x = 375,196.56 × 81,585.63
  4. Step 4: Simplify right side
    250,106.99x = 30,610,647,415.49
  5. Step 5: Solve for x
    x = 30,610,647,415.49/250,106.99
  6. Step 6: Final answer
    x = 122,390.21

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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.