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Finding the Fourth Proportional to 94,927, 130,999.48 and 51,909.28

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Solution

The fourth proportional to 94,927, 130,999.48 and 51,909.28 is: 71,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,927 : 130,999.48 = 51,909.28 : x
  2. Step 2: Convert to fraction form
    94,927/130,999.48 = 51,909.28/x
  3. Step 3: Cross multiply
    94,927x = 130,999.48 × 51,909.28
  4. Step 4: Simplify right side
    94,927x = 6,800,088,687.17
  5. Step 5: Solve for x
    x = 6,800,088,687.17/94,927
  6. Step 6: Final answer
    x = 71,634.93

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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.