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Finding the Fourth Proportional to 84,408,052.10, 118,440,011.50 and 84,408,052.10

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Solution

The fourth proportional to 84,408,052.10, 118,440,011.50 and 84,408,052.10 is: 118,440,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,408,052.10 : 118,440,011.50 = 84,408,052.10 : x
  2. Step 2: Convert to fraction form
    84,408,052.10/118,440,011.50 = 84,408,052.10/x
  3. Step 3: Cross multiply
    84,408,052.10x = 118,440,011.50 × 84,408,052.10
  4. Step 4: Simplify right side
    84,408,052.10x = 9,997,290,661,416,598
  5. Step 5: Solve for x
    x = 9,997,290,661,416,598/84,408,052.10
  6. Step 6: Final answer
    x = 118,440,011.50

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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.