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Finding the Fourth Proportional to 89,079,817.70, 124,881,805.90 and 89,079,817.70

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Solution

The fourth proportional to 89,079,817.70, 124,881,805.90 and 89,079,817.70 is: 124,881,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079,817.70 : 124,881,805.90 = 89,079,817.70 : x
  2. Step 2: Convert to fraction form
    89,079,817.70/124,881,805.90 = 89,079,817.70/x
  3. Step 3: Cross multiply
    89,079,817.70x = 124,881,805.90 × 89,079,817.70
  4. Step 4: Simplify right side
    89,079,817.70x = 11,124,448,503,618,786
  5. Step 5: Solve for x
    x = 11,124,448,503,618,786/89,079,817.70
  6. Step 6: Final answer
    x = 124,881,805.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.