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Finding the Fourth Proportional to 254,344.03, 350,992.51 and 139,620.08

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Solution

The fourth proportional to 254,344.03, 350,992.51 and 139,620.08 is: 192,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,344.03 : 350,992.51 = 139,620.08 : x
  2. Step 2: Convert to fraction form
    254,344.03/350,992.51 = 139,620.08/x
  3. Step 3: Cross multiply
    254,344.03x = 350,992.51 × 139,620.08
  4. Step 4: Simplify right side
    254,344.03x = 49,005,602,854.03
  5. Step 5: Solve for x
    x = 49,005,602,854.03/254,344.03
  6. Step 6: Final answer
    x = 192,674.48

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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.