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Finding the Fourth Proportional to 28,152,844.80, 42,229,267.20 and 22,106,227.20

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Solution

The fourth proportional to 28,152,844.80, 42,229,267.20 and 22,106,227.20 is: 33,159,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152,844.80 : 42,229,267.20 = 22,106,227.20 : x
  2. Step 2: Convert to fraction form
    28,152,844.80/42,229,267.20 = 22,106,227.20/x
  3. Step 3: Cross multiply
    28,152,844.80x = 42,229,267.20 × 22,106,227.20
  4. Step 4: Simplify right side
    28,152,844.80x = 933,529,775,212,707.88
  5. Step 5: Solve for x
    x = 933,529,775,212,707.88/28,152,844.80
  6. Step 6: Final answer
    x = 33,159,340.80

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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.