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Finding the Fourth Proportional to 69,358,341.60, 104,006,019.60 and 26,213,205.60

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Solution

The fourth proportional to 69,358,341.60, 104,006,019.60 and 26,213,205.60 is: 39,307,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358,341.60 : 104,006,019.60 = 26,213,205.60 : x
  2. Step 2: Convert to fraction form
    69,358,341.60/104,006,019.60 = 26,213,205.60/x
  3. Step 3: Cross multiply
    69,358,341.60x = 104,006,019.60 × 26,213,205.60
  4. Step 4: Simplify right side
    69,358,341.60x = 2,726,331,175,412,430
  5. Step 5: Solve for x
    x = 2,726,331,175,412,430/69,358,341.60
  6. Step 6: Final answer
    x = 39,307,906.05

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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.