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Finding the Fourth Proportional to 254,523.84, 351,187.20 and 153,919.68

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Solution

The fourth proportional to 254,523.84, 351,187.20 and 153,919.68 is: 212,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,523.84 : 351,187.20 = 153,919.68 : x
  2. Step 2: Convert to fraction form
    254,523.84/351,187.20 = 153,919.68/x
  3. Step 3: Cross multiply
    254,523.84x = 351,187.20 × 153,919.68
  4. Step 4: Simplify right side
    254,523.84x = 54,054,621,444.10
  5. Step 5: Solve for x
    x = 54,054,621,444.10/254,523.84
  6. Step 6: Final answer
    x = 212,375.48

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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.