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Finding the Fourth Proportional to 98,353.41, 147,529.98 and 39,230.60

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Solution

The fourth proportional to 98,353.41, 147,529.98 and 39,230.60 is: 58,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,353.41 : 147,529.98 = 39,230.60 : x
  2. Step 2: Convert to fraction form
    98,353.41/147,529.98 = 39,230.60/x
  3. Step 3: Cross multiply
    98,353.41x = 147,529.98 × 39,230.60
  4. Step 4: Simplify right side
    98,353.41x = 5,787,688,895.74
  5. Step 5: Solve for x
    x = 5,787,688,895.74/98,353.41
  6. Step 6: Final answer
    x = 58,845.84

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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.