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Finding the Fourth Proportional to 254,411.94, 351,074.70 and 141,227.40

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Solution

The fourth proportional to 254,411.94, 351,074.70 and 141,227.40 is: 194,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,411.94 : 351,074.70 = 141,227.40 : x
  2. Step 2: Convert to fraction form
    254,411.94/351,074.70 = 141,227.40/x
  3. Step 3: Cross multiply
    254,411.94x = 351,074.70 × 141,227.40
  4. Step 4: Simplify right side
    254,411.94x = 49,581,367,086.78
  5. Step 5: Solve for x
    x = 49,581,367,086.78/254,411.94
  6. Step 6: Final answer
    x = 194,886.16

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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.