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Finding the Fourth Proportional to 65,765,588.40, 92,222,989.20 and 65,765,588.40

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Solution

The fourth proportional to 65,765,588.40, 92,222,989.20 and 65,765,588.40 is: 92,222,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,765,588.40 : 92,222,989.20 = 65,765,588.40 : x
  2. Step 2: Convert to fraction form
    65,765,588.40/92,222,989.20 = 65,765,588.40/x
  3. Step 3: Cross multiply
    65,765,588.40x = 92,222,989.20 × 65,765,588.40
  4. Step 4: Simplify right side
    65,765,588.40x = 6,065,099,148,744,845
  5. Step 5: Solve for x
    x = 6,065,099,148,744,845/65,765,588.40
  6. Step 6: Final answer
    x = 92,222,989.20

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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.