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Finding the Fourth Proportional to 254,381.16, 351,028.44 and 141,195

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Solution

The fourth proportional to 254,381.16, 351,028.44 and 141,195 is: 194,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,381.16 : 351,028.44 = 141,195 : x
  2. Step 2: Convert to fraction form
    254,381.16/351,028.44 = 141,195/x
  3. Step 3: Cross multiply
    254,381.16x = 351,028.44 × 141,195
  4. Step 4: Simplify right side
    254,381.16x = 49,563,460,585.80
  5. Step 5: Solve for x
    x = 49,563,460,585.80/254,381.16
  6. Step 6: Final answer
    x = 194,839.35

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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.