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Finding the Fourth Proportional to 254,701.60, 351,472.80 and 141,520.48

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Solution

The fourth proportional to 254,701.60, 351,472.80 and 141,520.48 is: 195,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,701.60 : 351,472.80 = 141,520.48 : x
  2. Step 2: Convert to fraction form
    254,701.60/351,472.80 = 141,520.48/x
  3. Step 3: Cross multiply
    254,701.60x = 351,472.80 × 141,520.48
  4. Step 4: Simplify right side
    254,701.60x = 49,740,599,362.94
  5. Step 5: Solve for x
    x = 49,740,599,362.94/254,701.60
  6. Step 6: Final answer
    x = 195,289.70

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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.