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Finding the Fourth Proportional to 217,885.01, 300,714.05 and 133,051.01

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Solution

The fourth proportional to 217,885.01, 300,714.05 and 133,051.01 is: 183,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,885.01 : 300,714.05 = 133,051.01 : x
  2. Step 2: Convert to fraction form
    217,885.01/300,714.05 = 133,051.01/x
  3. Step 3: Cross multiply
    217,885.01x = 300,714.05 × 133,051.01
  4. Step 4: Simplify right side
    217,885.01x = 40,010,307,408.44
  5. Step 5: Solve for x
    x = 40,010,307,408.44/217,885.01
  6. Step 6: Final answer
    x = 183,630.38

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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.