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Finding the Fourth Proportional to 100,570.58, 150,875.22 and 34,021.40

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Solution

The fourth proportional to 100,570.58, 150,875.22 and 34,021.40 is: 51,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570.58 : 150,875.22 = 34,021.40 : x
  2. Step 2: Convert to fraction form
    100,570.58/150,875.22 = 34,021.40/x
  3. Step 3: Cross multiply
    100,570.58x = 150,875.22 × 34,021.40
  4. Step 4: Simplify right side
    100,570.58x = 5,132,986,209.71
  5. Step 5: Solve for x
    x = 5,132,986,209.71/100,570.58
  6. Step 6: Final answer
    x = 51,038.65

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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.