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Finding the Fourth Proportional to 66,602,261.82, 99,857,928.94 and 35,482,571.92

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Solution

The fourth proportional to 66,602,261.82, 99,857,928.94 and 35,482,571.92 is: 53,199,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,602,261.82 : 99,857,928.94 = 35,482,571.92 : x
  2. Step 2: Convert to fraction form
    66,602,261.82/99,857,928.94 = 35,482,571.92/x
  3. Step 3: Cross multiply
    66,602,261.82x = 99,857,928.94 × 35,482,571.92
  4. Step 4: Simplify right side
    66,602,261.82x = 3,543,216,145,395,799.50
  5. Step 5: Solve for x
    x = 3,543,216,145,395,799.50/66,602,261.82
  6. Step 6: Final answer
    x = 53,199,636.90

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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.