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Finding the Fourth Proportional to 94,307.67, 130,141.56 and 51,865.89

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Solution

The fourth proportional to 94,307.67, 130,141.56 and 51,865.89 is: 71,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,307.67 : 130,141.56 = 51,865.89 : x
  2. Step 2: Convert to fraction form
    94,307.67/130,141.56 = 51,865.89/x
  3. Step 3: Cross multiply
    94,307.67x = 130,141.56 × 51,865.89
  4. Step 4: Simplify right side
    94,307.67x = 6,749,907,835.39
  5. Step 5: Solve for x
    x = 6,749,907,835.39/94,307.67
  6. Step 6: Final answer
    x = 71,573.26

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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.