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Finding the Fourth Proportional to 65,664,210.40, 98,496,315.60 and 65,664,210.40

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Solution

The fourth proportional to 65,664,210.40, 98,496,315.60 and 65,664,210.40 is: 98,496,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,210.40 : 98,496,315.60 = 65,664,210.40 : x
  2. Step 2: Convert to fraction form
    65,664,210.40/98,496,315.60 = 65,664,210.40/x
  3. Step 3: Cross multiply
    65,664,210.40x = 98,496,315.60 × 65,664,210.40
  4. Step 4: Simplify right side
    65,664,210.40x = 6,467,682,791,183,202
  5. Step 5: Solve for x
    x = 6,467,682,791,183,202/65,664,210.40
  6. Step 6: Final answer
    x = 98,496,315.60

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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.