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Finding the Fourth Proportional to 293,168,443.60, 439,802,431.80 and 88,694,894.80

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Solution

The fourth proportional to 293,168,443.60, 439,802,431.80 and 88,694,894.80 is: 133,057,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,168,443.60 : 439,802,431.80 = 88,694,894.80 : x
  2. Step 2: Convert to fraction form
    293,168,443.60/439,802,431.80 = 88,694,894.80/x
  3. Step 3: Cross multiply
    293,168,443.60x = 439,802,431.80 × 88,694,894.80
  4. Step 4: Simplify right side
    293,168,443.60x = 39,008,230,421,285,176
  5. Step 5: Solve for x
    x = 39,008,230,421,285,176/293,168,443.60
  6. Step 6: Final answer
    x = 133,057,398.48

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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.