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Finding the Fourth Proportional to 74,882,638.80, 112,334,455.80 and 29,433,862.80

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Solution

The fourth proportional to 74,882,638.80, 112,334,455.80 and 29,433,862.80 is: 44,154,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882,638.80 : 112,334,455.80 = 29,433,862.80 : x
  2. Step 2: Convert to fraction form
    74,882,638.80/112,334,455.80 = 29,433,862.80/x
  3. Step 3: Cross multiply
    74,882,638.80x = 112,334,455.80 × 29,433,862.80
  4. Step 4: Simplify right side
    74,882,638.80x = 3,306,436,959,729,864
  5. Step 5: Solve for x
    x = 3,306,436,959,729,864/74,882,638.80
  6. Step 6: Final answer
    x = 44,154,920.46

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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.