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Finding the Fourth Proportional to 30,603,323.48, 45,904,985.21 and 30,603,323.48

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Solution

The fourth proportional to 30,603,323.48, 45,904,985.21 and 30,603,323.48 is: 45,904,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603,323.48 : 45,904,985.21 = 30,603,323.48 : x
  2. Step 2: Convert to fraction form
    30,603,323.48/45,904,985.21 = 30,603,323.48/x
  3. Step 3: Cross multiply
    30,603,323.48x = 45,904,985.21 × 30,603,323.48
  4. Step 4: Simplify right side
    30,603,323.48x = 1,404,845,111,573,229.25
  5. Step 5: Solve for x
    x = 1,404,845,111,573,229.25/30,603,323.48
  6. Step 6: Final answer
    x = 45,904,985.21

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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.