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Finding the Fourth Proportional to 65,247,455.80, 97,868,073.30 and 22,112,428.60

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Solution

The fourth proportional to 65,247,455.80, 97,868,073.30 and 22,112,428.60 is: 33,167,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,247,455.80 : 97,868,073.30 = 22,112,428.60 : x
  2. Step 2: Convert to fraction form
    65,247,455.80/97,868,073.30 = 22,112,428.60/x
  3. Step 3: Cross multiply
    65,247,455.80x = 97,868,073.30 × 22,112,428.60
  4. Step 4: Simplify right side
    65,247,455.80x = 2,164,100,783,065,816.50
  5. Step 5: Solve for x
    x = 2,164,100,783,065,816.50/65,247,455.80
  6. Step 6: Final answer
    x = 33,167,588.78

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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.