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Finding the Fourth Proportional to 269,059.98, 403,534.92 and 100,549.20

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Solution

The fourth proportional to 269,059.98, 403,534.92 and 100,549.20 is: 150,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,059.98 : 403,534.92 = 100,549.20 : x
  2. Step 2: Convert to fraction form
    269,059.98/403,534.92 = 100,549.20/x
  3. Step 3: Cross multiply
    269,059.98x = 403,534.92 × 100,549.20
  4. Step 4: Simplify right side
    269,059.98x = 40,575,113,378.06
  5. Step 5: Solve for x
    x = 40,575,113,378.06/269,059.98
  6. Step 6: Final answer
    x = 150,803.23

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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.