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Finding the Fourth Proportional to 100,574.10, 150,877.44 and 34,018.20

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Solution

The fourth proportional to 100,574.10, 150,877.44 and 34,018.20 is: 51,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,574.10 : 150,877.44 = 34,018.20 : x
  2. Step 2: Convert to fraction form
    100,574.10/150,877.44 = 34,018.20/x
  3. Step 3: Cross multiply
    100,574.10x = 150,877.44 × 34,018.20
  4. Step 4: Simplify right side
    100,574.10x = 5,132,578,929.41
  5. Step 5: Solve for x
    x = 5,132,578,929.41/100,574.10
  6. Step 6: Final answer
    x = 51,032.81

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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.