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Finding the Fourth Proportional to 254,880.72, 351,735.84 and 141,703.56

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Solution

The fourth proportional to 254,880.72, 351,735.84 and 141,703.56 is: 195,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,880.72 : 351,735.84 = 141,703.56 : x
  2. Step 2: Convert to fraction form
    254,880.72/351,735.84 = 141,703.56/x
  3. Step 3: Cross multiply
    254,880.72x = 351,735.84 × 141,703.56
  4. Step 4: Simplify right side
    254,880.72x = 49,842,220,707.59
  5. Step 5: Solve for x
    x = 49,842,220,707.59/254,880.72
  6. Step 6: Final answer
    x = 195,551.16

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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.