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Finding the Fourth Proportional to 117,006,609.60, 175,509,914.40 and 56,540,433.60

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Solution

The fourth proportional to 117,006,609.60, 175,509,914.40 and 56,540,433.60 is: 84,810,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006,609.60 : 175,509,914.40 = 56,540,433.60 : x
  2. Step 2: Convert to fraction form
    117,006,609.60/175,509,914.40 = 56,540,433.60/x
  3. Step 3: Cross multiply
    117,006,609.60x = 175,509,914.40 × 56,540,433.60
  4. Step 4: Simplify right side
    117,006,609.60x = 9,923,406,661,274,884
  5. Step 5: Solve for x
    x = 9,923,406,661,274,884/117,006,609.60
  6. Step 6: Final answer
    x = 84,810,650.40

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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.