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Finding the Fourth Proportional to 119,830.35, 179,560.76 and 58,970.78

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Solution

The fourth proportional to 119,830.35, 179,560.76 and 58,970.78 is: 88,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.35 : 179,560.76 = 58,970.78 : x
  2. Step 2: Convert to fraction form
    119,830.35/179,560.76 = 58,970.78/x
  3. Step 3: Cross multiply
    119,830.35x = 179,560.76 × 58,970.78
  4. Step 4: Simplify right side
    119,830.35x = 10,588,836,881.94
  5. Step 5: Solve for x
    x = 10,588,836,881.94/119,830.35
  6. Step 6: Final answer
    x = 88,365.23

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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.