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Finding the Fourth Proportional to 94,622.88, 130,580.40 and 52,182.88

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Solution

The fourth proportional to 94,622.88, 130,580.40 and 52,182.88 is: 72,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,622.88 : 130,580.40 = 52,182.88 : x
  2. Step 2: Convert to fraction form
    94,622.88/130,580.40 = 52,182.88/x
  3. Step 3: Cross multiply
    94,622.88x = 130,580.40 × 52,182.88
  4. Step 4: Simplify right side
    94,622.88x = 6,814,061,343.55
  5. Step 5: Solve for x
    x = 6,814,061,343.55/94,622.88
  6. Step 6: Final answer
    x = 72,012.83

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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.