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Finding the Fourth Proportional to 63,159.63, 87,160.31 and 34,865.34

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Solution

The fourth proportional to 63,159.63, 87,160.31 and 34,865.34 is: 48,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.63 : 87,160.31 = 34,865.34 : x
  2. Step 2: Convert to fraction form
    63,159.63/87,160.31 = 34,865.34/x
  3. Step 3: Cross multiply
    63,159.63x = 87,160.31 × 34,865.34
  4. Step 4: Simplify right side
    63,159.63x = 3,038,873,842.66
  5. Step 5: Solve for x
    x = 3,038,873,842.66/63,159.63
  6. Step 6: Final answer
    x = 48,114.18

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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.