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Finding the Fourth Proportional to 63,108.88, 87,090.54 and 34,814.56

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Solution

The fourth proportional to 63,108.88, 87,090.54 and 34,814.56 is: 48,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,108.88 : 87,090.54 = 34,814.56 : x
  2. Step 2: Convert to fraction form
    63,108.88/87,090.54 = 34,814.56/x
  3. Step 3: Cross multiply
    63,108.88x = 87,090.54 × 34,814.56
  4. Step 4: Simplify right side
    63,108.88x = 3,032,018,830.26
  5. Step 5: Solve for x
    x = 3,032,018,830.26/63,108.88
  6. Step 6: Final answer
    x = 48,044.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.