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Finding the Fourth Proportional to 65,200,620.70, 97,800,931.05 and 64,244,026.90

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Solution

The fourth proportional to 65,200,620.70, 97,800,931.05 and 64,244,026.90 is: 96,366,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,620.70 : 97,800,931.05 = 64,244,026.90 : x
  2. Step 2: Convert to fraction form
    65,200,620.70/97,800,931.05 = 64,244,026.90/x
  3. Step 3: Cross multiply
    65,200,620.70x = 97,800,931.05 × 64,244,026.90
  4. Step 4: Simplify right side
    65,200,620.70x = 6,283,125,645,221,245
  5. Step 5: Solve for x
    x = 6,283,125,645,221,245/65,200,620.70
  6. Step 6: Final answer
    x = 96,366,040.35

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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.