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Finding the Fourth Proportional to 362,011,895.80, 543,017,843.70 and 89,382,662.80

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Solution

The fourth proportional to 362,011,895.80, 543,017,843.70 and 89,382,662.80 is: 134,073,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,011,895.80 : 543,017,843.70 = 89,382,662.80 : x
  2. Step 2: Convert to fraction form
    362,011,895.80/543,017,843.70 = 89,382,662.80/x
  3. Step 3: Cross multiply
    362,011,895.80x = 543,017,843.70 × 89,382,662.80
  4. Step 4: Simplify right side
    362,011,895.80x = 48,536,380,817,820,208
  5. Step 5: Solve for x
    x = 48,536,380,817,820,208/362,011,895.80
  6. Step 6: Final answer
    x = 134,073,994.20

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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.