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Finding the Fourth Proportional to 66,661,236.97, 99,971,102.04 and 23,520,332.95

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Solution

The fourth proportional to 66,661,236.97, 99,971,102.04 and 23,520,332.95 is: 35,273,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,661,236.97 : 99,971,102.04 = 23,520,332.95 : x
  2. Step 2: Convert to fraction form
    66,661,236.97/99,971,102.04 = 23,520,332.95/x
  3. Step 3: Cross multiply
    66,661,236.97x = 99,971,102.04 × 23,520,332.95
  4. Step 4: Simplify right side
    66,661,236.97x = 2,351,353,605,021,095.50
  5. Step 5: Solve for x
    x = 2,351,353,605,021,095.50/66,661,236.97
  6. Step 6: Final answer
    x = 35,273,176.92

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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.