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Finding the Fourth Proportional to 114,220.10, 170,941.35 and 100,223.30

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Solution

The fourth proportional to 114,220.10, 170,941.35 and 100,223.30 is: 149,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,220.10 : 170,941.35 = 100,223.30 : x
  2. Step 2: Convert to fraction form
    114,220.10/170,941.35 = 100,223.30/x
  3. Step 3: Cross multiply
    114,220.10x = 170,941.35 × 100,223.30
  4. Step 4: Simplify right side
    114,220.10x = 17,132,306,203.46
  5. Step 5: Solve for x
    x = 17,132,306,203.46/114,220.10
  6. Step 6: Final answer
    x = 149,993.79

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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.