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Finding the Fourth Proportional to 74,745,138.15, 112,117,707.23 and 74,745,138.15

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Solution

The fourth proportional to 74,745,138.15, 112,117,707.23 and 74,745,138.15 is: 112,117,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745,138.15 : 112,117,707.23 = 74,745,138.15 : x
  2. Step 2: Convert to fraction form
    74,745,138.15/112,117,707.23 = 74,745,138.15/x
  3. Step 3: Cross multiply
    74,745,138.15x = 112,117,707.23 × 74,745,138.15
  4. Step 4: Simplify right side
    74,745,138.15x = 8,380,253,515,593,878
  5. Step 5: Solve for x
    x = 8,380,253,515,593,878/74,745,138.15
  6. Step 6: Final answer
    x = 112,117,707.23

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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.