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Finding the Fourth Proportional to 84,999.56, 117,303.54 and 47,273

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Solution

The fourth proportional to 84,999.56, 117,303.54 and 47,273 is: 65,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,999.56 : 117,303.54 = 47,273 : x
  2. Step 2: Convert to fraction form
    84,999.56/117,303.54 = 47,273/x
  3. Step 3: Cross multiply
    84,999.56x = 117,303.54 × 47,273
  4. Step 4: Simplify right side
    84,999.56x = 5,545,290,246.42
  5. Step 5: Solve for x
    x = 5,545,290,246.42/84,999.56
  6. Step 6: Final answer
    x = 65,239.05

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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.