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Finding the Fourth Proportional to 88,706,272.80, 133,059,409.20 and 31,198,087.20

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Solution

The fourth proportional to 88,706,272.80, 133,059,409.20 and 31,198,087.20 is: 46,797,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,272.80 : 133,059,409.20 = 31,198,087.20 : x
  2. Step 2: Convert to fraction form
    88,706,272.80/133,059,409.20 = 31,198,087.20/x
  3. Step 3: Cross multiply
    88,706,272.80x = 133,059,409.20 × 31,198,087.20
  4. Step 4: Simplify right side
    88,706,272.80x = 4,151,199,051,002,082
  5. Step 5: Solve for x
    x = 4,151,199,051,002,082/88,706,272.80
  6. Step 6: Final answer
    x = 46,797,130.80

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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.