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Finding the Fourth Proportional to 69,602,511.60, 104,301,124.20 and 50,473,551.60

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Solution

The fourth proportional to 69,602,511.60, 104,301,124.20 and 50,473,551.60 is: 75,635,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,602,511.60 : 104,301,124.20 = 50,473,551.60 : x
  2. Step 2: Convert to fraction form
    69,602,511.60/104,301,124.20 = 50,473,551.60/x
  3. Step 3: Cross multiply
    69,602,511.60x = 104,301,124.20 × 50,473,551.60
  4. Step 4: Simplify right side
    69,602,511.60x = 5,264,448,174,246,709
  5. Step 5: Solve for x
    x = 5,264,448,174,246,709/69,602,511.60
  6. Step 6: Final answer
    x = 75,635,893.78

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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.