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Finding the Fourth Proportional to 261,674.45, 361,090.19 and 148,497.17

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Solution

The fourth proportional to 261,674.45, 361,090.19 and 148,497.17 is: 204,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,674.45 : 361,090.19 = 148,497.17 : x
  2. Step 2: Convert to fraction form
    261,674.45/361,090.19 = 148,497.17/x
  3. Step 3: Cross multiply
    261,674.45x = 361,090.19 × 148,497.17
  4. Step 4: Simplify right side
    261,674.45x = 53,620,870,587.28
  5. Step 5: Solve for x
    x = 53,620,870,587.28/261,674.45
  6. Step 6: Final answer
    x = 204,914.43

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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.