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Finding the Fourth Proportional to 65,862,920.12, 98,794,597.06 and 16,678,746.50

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Solution

The fourth proportional to 65,862,920.12, 98,794,597.06 and 16,678,746.50 is: 25,018,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862,920.12 : 98,794,597.06 = 16,678,746.50 : x
  2. Step 2: Convert to fraction form
    65,862,920.12/98,794,597.06 = 16,678,746.50/x
  3. Step 3: Cross multiply
    65,862,920.12x = 98,794,597.06 × 16,678,746.50
  4. Step 4: Simplify right side
    65,862,920.12x = 1,647,770,039,603,005.25
  5. Step 5: Solve for x
    x = 1,647,770,039,603,005.25/65,862,920.12
  6. Step 6: Final answer
    x = 25,018,174.67

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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.