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Finding the Fourth Proportional to 94,390.70, 130,259.07 and 51,951.96

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Solution

The fourth proportional to 94,390.70, 130,259.07 and 51,951.96 is: 71,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,390.70 : 130,259.07 = 51,951.96 : x
  2. Step 2: Convert to fraction form
    94,390.70/130,259.07 = 51,951.96/x
  3. Step 3: Cross multiply
    94,390.70x = 130,259.07 × 51,951.96
  4. Step 4: Simplify right side
    94,390.70x = 6,767,213,994.28
  5. Step 5: Solve for x
    x = 6,767,213,994.28/94,390.70
  6. Step 6: Final answer
    x = 71,693.66

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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.