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Finding the Fourth Proportional to 254,911.98, 351,739.11 and 147,492.03

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Solution

The fourth proportional to 254,911.98, 351,739.11 and 147,492.03 is: 203,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,911.98 : 351,739.11 = 147,492.03 : x
  2. Step 2: Convert to fraction form
    254,911.98/351,739.11 = 147,492.03/x
  3. Step 3: Cross multiply
    254,911.98x = 351,739.11 × 147,492.03
  4. Step 4: Simplify right side
    254,911.98x = 51,878,715,364.29
  5. Step 5: Solve for x
    x = 51,878,715,364.29/254,911.98
  6. Step 6: Final answer
    x = 203,516.19

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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.