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Finding the Fourth Proportional to 29,229,852.90, 40,988,978.70 and 29,229,852.90

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Solution

The fourth proportional to 29,229,852.90, 40,988,978.70 and 29,229,852.90 is: 40,988,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229,852.90 : 40,988,978.70 = 29,229,852.90 : x
  2. Step 2: Convert to fraction form
    29,229,852.90/40,988,978.70 = 29,229,852.90/x
  3. Step 3: Cross multiply
    29,229,852.90x = 40,988,978.70 × 29,229,852.90
  4. Step 4: Simplify right side
    29,229,852.90x = 1,198,101,817,922,233.25
  5. Step 5: Solve for x
    x = 1,198,101,817,922,233.25/29,229,852.90
  6. Step 6: Final answer
    x = 40,988,978.70

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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.