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Finding the Fourth Proportional to 92,914.74, 128,223.72 and 52,627.50

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Solution

The fourth proportional to 92,914.74, 128,223.72 and 52,627.50 is: 72,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,914.74 : 128,223.72 = 52,627.50 : x
  2. Step 2: Convert to fraction form
    92,914.74/128,223.72 = 52,627.50/x
  3. Step 3: Cross multiply
    92,914.74x = 128,223.72 × 52,627.50
  4. Step 4: Simplify right side
    92,914.74x = 6,748,093,824.30
  5. Step 5: Solve for x
    x = 6,748,093,824.30/92,914.74
  6. Step 6: Final answer
    x = 72,626.73

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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.