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Finding the Fourth Proportional to 265,149.70, 365,911 and 144,296.08

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Solution

The fourth proportional to 265,149.70, 365,911 and 144,296.08 is: 199,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,149.70 : 365,911 = 144,296.08 : x
  2. Step 2: Convert to fraction form
    265,149.70/365,911 = 144,296.08/x
  3. Step 3: Cross multiply
    265,149.70x = 365,911 × 144,296.08
  4. Step 4: Simplify right side
    265,149.70x = 52,799,522,928.88
  5. Step 5: Solve for x
    x = 52,799,522,928.88/265,149.70
  6. Step 6: Final answer
    x = 199,130.99

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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.