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Finding the Fourth Proportional to 58,675,985.45, 87,978,105.90 and 27,979,953.29

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Solution

The fourth proportional to 58,675,985.45, 87,978,105.90 and 27,979,953.29 is: 41,952,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,675,985.45 : 87,978,105.90 = 27,979,953.29 : x
  2. Step 2: Convert to fraction form
    58,675,985.45/87,978,105.90 = 27,979,953.29/x
  3. Step 3: Cross multiply
    58,675,985.45x = 87,978,105.90 × 27,979,953.29
  4. Step 4: Simplify right side
    58,675,985.45x = 2,461,623,293,514,701
  5. Step 5: Solve for x
    x = 2,461,623,293,514,701/58,675,985.45
  6. Step 6: Final answer
    x = 41,952,824.05

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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.