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Finding the Fourth Proportional to 259,751.48, 358,455.51 and 145,023.48

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Solution

The fourth proportional to 259,751.48, 358,455.51 and 145,023.48 is: 200,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,751.48 : 358,455.51 = 145,023.48 : x
  2. Step 2: Convert to fraction form
    259,751.48/358,455.51 = 145,023.48/x
  3. Step 3: Cross multiply
    259,751.48x = 358,455.51 × 145,023.48
  4. Step 4: Simplify right side
    259,751.48x = 51,984,465,485.37
  5. Step 5: Solve for x
    x = 51,984,465,485.37/259,751.48
  6. Step 6: Final answer
    x = 200,131.55

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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.