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Finding the Fourth Proportional to 94,628.88, 130,588.68 and 52,188.88

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Solution

The fourth proportional to 94,628.88, 130,588.68 and 52,188.88 is: 72,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,628.88 : 130,588.68 = 52,188.88 : x
  2. Step 2: Convert to fraction form
    94,628.88/130,588.68 = 52,188.88/x
  3. Step 3: Cross multiply
    94,628.88x = 130,588.68 × 52,188.88
  4. Step 4: Simplify right side
    94,628.88x = 6,815,276,949.88
  5. Step 5: Solve for x
    x = 6,815,276,949.88/94,628.88
  6. Step 6: Final answer
    x = 72,021.11

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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.