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Finding the Fourth Proportional to 61,061.63, 84,263.54 and 34,203.96

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Solution

The fourth proportional to 61,061.63, 84,263.54 and 34,203.96 is: 47,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,061.63 : 84,263.54 = 34,203.96 : x
  2. Step 2: Convert to fraction form
    61,061.63/84,263.54 = 34,203.96/x
  3. Step 3: Cross multiply
    61,061.63x = 84,263.54 × 34,203.96
  4. Step 4: Simplify right side
    61,061.63x = 2,882,146,580.60
  5. Step 5: Solve for x
    x = 2,882,146,580.60/61,061.63
  6. Step 6: Final answer
    x = 47,200.62

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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.