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Finding the Fourth Proportional to 89,342,516.70, 124,824,431.70 and 89,342,516.70

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Solution

The fourth proportional to 89,342,516.70, 124,824,431.70 and 89,342,516.70 is: 124,824,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,342,516.70 : 124,824,431.70 = 89,342,516.70 : x
  2. Step 2: Convert to fraction form
    89,342,516.70/124,824,431.70 = 89,342,516.70/x
  3. Step 3: Cross multiply
    89,342,516.70x = 124,824,431.70 × 89,342,516.70
  4. Step 4: Simplify right side
    89,342,516.70x = 11,152,128,873,725,260
  5. Step 5: Solve for x
    x = 11,152,128,873,725,260/89,342,516.70
  6. Step 6: Final answer
    x = 124,824,431.70

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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.