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Finding the Fourth Proportional to 88,504,703.90, 132,757,055.85 and 82,835,999.90

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Solution

The fourth proportional to 88,504,703.90, 132,757,055.85 and 82,835,999.90 is: 124,253,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,504,703.90 : 132,757,055.85 = 82,835,999.90 : x
  2. Step 2: Convert to fraction form
    88,504,703.90/132,757,055.85 = 82,835,999.90/x
  3. Step 3: Cross multiply
    88,504,703.90x = 132,757,055.85 × 82,835,999.90
  4. Step 4: Simplify right side
    88,504,703.90x = 10,997,063,465,114,894
  5. Step 5: Solve for x
    x = 10,997,063,465,114,894/88,504,703.90
  6. Step 6: Final answer
    x = 124,253,999.85

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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.