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Finding the Fourth Proportional to 65,415,074.40, 97,910,035.20 and 65,415,074.40

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Solution

The fourth proportional to 65,415,074.40, 97,910,035.20 and 65,415,074.40 is: 97,910,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,415,074.40 : 97,910,035.20 = 65,415,074.40 : x
  2. Step 2: Convert to fraction form
    65,415,074.40/97,910,035.20 = 65,415,074.40/x
  3. Step 3: Cross multiply
    65,415,074.40x = 97,910,035.20 × 65,415,074.40
  4. Step 4: Simplify right side
    65,415,074.40x = 6,404,792,237,114,619
  5. Step 5: Solve for x
    x = 6,404,792,237,114,619/65,415,074.40
  6. Step 6: Final answer
    x = 97,910,035.20

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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.