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Finding the Fourth Proportional to 165,408,082.05, 248,112,123.08 and 165,408,082.05

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Solution

The fourth proportional to 165,408,082.05, 248,112,123.08 and 165,408,082.05 is: 248,112,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,408,082.05 : 248,112,123.08 = 165,408,082.05 : x
  2. Step 2: Convert to fraction form
    165,408,082.05/248,112,123.08 = 165,408,082.05/x
  3. Step 3: Cross multiply
    165,408,082.05x = 248,112,123.08 × 165,408,082.05
  4. Step 4: Simplify right side
    165,408,082.05x = 41,039,750,411,189,296
  5. Step 5: Solve for x
    x = 41,039,750,411,189,296/165,408,082.05
  6. Step 6: Final answer
    x = 248,112,123.08

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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.