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Finding the Fourth Proportional to 182,509.50, 251,860.49 and 101,938.20

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Solution

The fourth proportional to 182,509.50, 251,860.49 and 101,938.20 is: 140,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,509.50 : 251,860.49 = 101,938.20 : x
  2. Step 2: Convert to fraction form
    182,509.50/251,860.49 = 101,938.20/x
  3. Step 3: Cross multiply
    182,509.50x = 251,860.49 × 101,938.20
  4. Step 4: Simplify right side
    182,509.50x = 25,674,203,929.82
  5. Step 5: Solve for x
    x = 25,674,203,929.82/182,509.50
  6. Step 6: Final answer
    x = 140,673.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.