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Finding the Fourth Proportional to 201,809.45, 302,714.18 and 182,126.45

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Solution

The fourth proportional to 201,809.45, 302,714.18 and 182,126.45 is: 273,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,809.45 : 302,714.18 = 182,126.45 : x
  2. Step 2: Convert to fraction form
    201,809.45/302,714.18 = 182,126.45/x
  3. Step 3: Cross multiply
    201,809.45x = 302,714.18 × 182,126.45
  4. Step 4: Simplify right side
    201,809.45x = 55,132,258,968.06
  5. Step 5: Solve for x
    x = 55,132,258,968.06/201,809.45
  6. Step 6: Final answer
    x = 273,189.68

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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.