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Finding the Fourth Proportional to 254,797.52, 351,618.54 and 138,510.26

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Solution

The fourth proportional to 254,797.52, 351,618.54 and 138,510.26 is: 191,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,797.52 : 351,618.54 = 138,510.26 : x
  2. Step 2: Convert to fraction form
    254,797.52/351,618.54 = 138,510.26/x
  3. Step 3: Cross multiply
    254,797.52x = 351,618.54 × 138,510.26
  4. Step 4: Simplify right side
    254,797.52x = 48,702,775,396.22
  5. Step 5: Solve for x
    x = 48,702,775,396.22/254,797.52
  6. Step 6: Final answer
    x = 191,143.05

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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.