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Finding the Fourth Proportional to 100,574.01, 150,877.35 and 34,018.20

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Solution

The fourth proportional to 100,574.01, 150,877.35 and 34,018.20 is: 51,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,574.01 : 150,877.35 = 34,018.20 : x
  2. Step 2: Convert to fraction form
    100,574.01/150,877.35 = 34,018.20/x
  3. Step 3: Cross multiply
    100,574.01x = 150,877.35 × 34,018.20
  4. Step 4: Simplify right side
    100,574.01x = 5,132,575,867.77
  5. Step 5: Solve for x
    x = 5,132,575,867.77/100,574.01
  6. Step 6: Final answer
    x = 51,032.83

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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.