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Finding the Fourth Proportional to 74,951.55, 112,400.87 and 32,852.07

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Solution

The fourth proportional to 74,951.55, 112,400.87 and 32,852.07 is: 49,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,951.55 : 112,400.87 = 32,852.07 : x
  2. Step 2: Convert to fraction form
    74,951.55/112,400.87 = 32,852.07/x
  3. Step 3: Cross multiply
    74,951.55x = 112,400.87 × 32,852.07
  4. Step 4: Simplify right side
    74,951.55x = 3,692,601,085.04
  5. Step 5: Solve for x
    x = 3,692,601,085.04/74,951.55
  6. Step 6: Final answer
    x = 49,266.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.