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Finding the Fourth Proportional to 84,408,064.35, 118,440,028.65 and 84,408,064.35

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Solution

The fourth proportional to 84,408,064.35, 118,440,028.65 and 84,408,064.35 is: 118,440,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,408,064.35 : 118,440,028.65 = 84,408,064.35 : x
  2. Step 2: Convert to fraction form
    84,408,064.35/118,440,028.65 = 84,408,064.35/x
  3. Step 3: Cross multiply
    84,408,064.35x = 118,440,028.65 × 84,408,064.35
  4. Step 4: Simplify right side
    84,408,064.35x = 9,997,293,559,905,044
  5. Step 5: Solve for x
    x = 9,997,293,559,905,044/84,408,064.35
  6. Step 6: Final answer
    x = 118,440,028.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.