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Finding the Fourth Proportional to 159,894,017.80, 239,771,042.70 and 73,603,745.80

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Solution

The fourth proportional to 159,894,017.80, 239,771,042.70 and 73,603,745.80 is: 110,373,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,894,017.80 : 239,771,042.70 = 73,603,745.80 : x
  2. Step 2: Convert to fraction form
    159,894,017.80/239,771,042.70 = 73,603,745.80/x
  3. Step 3: Cross multiply
    159,894,017.80x = 239,771,042.70 × 73,603,745.80
  4. Step 4: Simplify right side
    159,894,017.80x = 17,648,046,877,091,744
  5. Step 5: Solve for x
    x = 17,648,046,877,091,744/159,894,017.80
  6. Step 6: Final answer
    x = 110,373,403.08

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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.