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Finding the Fourth Proportional to 254,597.92, 351,356.28 and 141,420.70

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Solution

The fourth proportional to 254,597.92, 351,356.28 and 141,420.70 is: 195,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,597.92 : 351,356.28 = 141,420.70 : x
  2. Step 2: Convert to fraction form
    254,597.92/351,356.28 = 141,420.70/x
  3. Step 3: Cross multiply
    254,597.92x = 351,356.28 × 141,420.70
  4. Step 4: Simplify right side
    254,597.92x = 49,689,051,067.00
  5. Step 5: Solve for x
    x = 49,689,051,067.00/254,597.92
  6. Step 6: Final answer
    x = 195,166.76

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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.