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Finding the Fourth Proportional to 94,390.50, 130,259.26 and 51,950.54

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Solution

The fourth proportional to 94,390.50, 130,259.26 and 51,950.54 is: 71,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,390.50 : 130,259.26 = 51,950.54 : x
  2. Step 2: Convert to fraction form
    94,390.50/130,259.26 = 51,950.54/x
  3. Step 3: Cross multiply
    94,390.50x = 130,259.26 × 51,950.54
  4. Step 4: Simplify right side
    94,390.50x = 6,767,038,897.00
  5. Step 5: Solve for x
    x = 6,767,038,897.00/94,390.50
  6. Step 6: Final answer
    x = 71,691.95

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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.