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Finding the Fourth Proportional to 119,698.60, 179,432.70 and 93,029.80

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Solution

The fourth proportional to 119,698.60, 179,432.70 and 93,029.80 is: 139,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,698.60 : 179,432.70 = 93,029.80 : x
  2. Step 2: Convert to fraction form
    119,698.60/179,432.70 = 93,029.80/x
  3. Step 3: Cross multiply
    119,698.60x = 179,432.70 × 93,029.80
  4. Step 4: Simplify right side
    119,698.60x = 16,692,588,194.46
  5. Step 5: Solve for x
    x = 16,692,588,194.46/119,698.60
  6. Step 6: Final answer
    x = 139,455.17

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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.