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Finding the Fourth Proportional to 69,984,111.90, 97,751,008.50 and 69,984,111.90

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Solution

The fourth proportional to 69,984,111.90, 97,751,008.50 and 69,984,111.90 is: 97,751,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,111.90 : 97,751,008.50 = 69,984,111.90 : x
  2. Step 2: Convert to fraction form
    69,984,111.90/97,751,008.50 = 69,984,111.90/x
  3. Step 3: Cross multiply
    69,984,111.90x = 97,751,008.50 × 69,984,111.90
  4. Step 4: Simplify right side
    69,984,111.90x = 6,841,017,517,201,852
  5. Step 5: Solve for x
    x = 6,841,017,517,201,852/69,984,111.90
  6. Step 6: Final answer
    x = 97,751,008.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.