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Finding the Fourth Proportional to 63,107.63, 87,088.82 and 34,813.31

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Solution

The fourth proportional to 63,107.63, 87,088.82 and 34,813.31 is: 48,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,107.63 : 87,088.82 = 34,813.31 : x
  2. Step 2: Convert to fraction form
    63,107.63/87,088.82 = 34,813.31/x
  3. Step 3: Cross multiply
    63,107.63x = 87,088.82 × 34,813.31
  4. Step 4: Simplify right side
    63,107.63x = 3,031,849,914.13
  5. Step 5: Solve for x
    x = 3,031,849,914.13/63,107.63
  6. Step 6: Final answer
    x = 48,042.53

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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.