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Finding the Fourth Proportional to 58,284,731.60, 81,718,063.60 and 58,284,731.60

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Solution

The fourth proportional to 58,284,731.60, 81,718,063.60 and 58,284,731.60 is: 81,718,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,284,731.60 : 81,718,063.60 = 58,284,731.60 : x
  2. Step 2: Convert to fraction form
    58,284,731.60/81,718,063.60 = 58,284,731.60/x
  3. Step 3: Cross multiply
    58,284,731.60x = 81,718,063.60 × 58,284,731.60
  4. Step 4: Simplify right side
    58,284,731.60x = 4,762,915,403,797,730
  5. Step 5: Solve for x
    x = 4,762,915,403,797,730/58,284,731.60
  6. Step 6: Final answer
    x = 81,718,063.60

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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.