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Finding the Fourth Proportional to 36,878,876.90, 55,318,315.35 and 36,878,876.90

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Solution

The fourth proportional to 36,878,876.90, 55,318,315.35 and 36,878,876.90 is: 55,318,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878,876.90 : 55,318,315.35 = 36,878,876.90 : x
  2. Step 2: Convert to fraction form
    36,878,876.90/55,318,315.35 = 36,878,876.90/x
  3. Step 3: Cross multiply
    36,878,876.90x = 55,318,315.35 × 36,878,876.90
  4. Step 4: Simplify right side
    36,878,876.90x = 2,040,077,342,108,030.50
  5. Step 5: Solve for x
    x = 2,040,077,342,108,030.50/36,878,876.90
  6. Step 6: Final answer
    x = 55,318,315.35

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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.