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Finding the Fourth Proportional to 157,464,611.15, 236,196,916.73 and 157,464,611.15

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Solution

The fourth proportional to 157,464,611.15, 236,196,916.73 and 157,464,611.15 is: 236,196,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,611.15 : 236,196,916.73 = 157,464,611.15 : x
  2. Step 2: Convert to fraction form
    157,464,611.15/236,196,916.73 = 157,464,611.15/x
  3. Step 3: Cross multiply
    157,464,611.15x = 236,196,916.73 × 157,464,611.15
  4. Step 4: Simplify right side
    157,464,611.15x = 37,192,655,647,718,376
  5. Step 5: Solve for x
    x = 37,192,655,647,718,376/157,464,611.15
  6. Step 6: Final answer
    x = 236,196,916.73

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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.