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Finding the Fourth Proportional to 254,739.38, 382,107.70 and 65,199.38

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Solution

The fourth proportional to 254,739.38, 382,107.70 and 65,199.38 is: 97,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,739.38 : 382,107.70 = 65,199.38 : x
  2. Step 2: Convert to fraction form
    254,739.38/382,107.70 = 65,199.38/x
  3. Step 3: Cross multiply
    254,739.38x = 382,107.70 × 65,199.38
  4. Step 4: Simplify right side
    254,739.38x = 24,913,185,133.23
  5. Step 5: Solve for x
    x = 24,913,185,133.23/254,739.38
  6. Step 6: Final answer
    x = 97,798.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.