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Finding the Fourth Proportional to 332,155.40, 498,135.90 and 118,898.60

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Solution

The fourth proportional to 332,155.40, 498,135.90 and 118,898.60 is: 178,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,155.40 : 498,135.90 = 118,898.60 : x
  2. Step 2: Convert to fraction form
    332,155.40/498,135.90 = 118,898.60/x
  3. Step 3: Cross multiply
    332,155.40x = 498,135.90 × 118,898.60
  4. Step 4: Simplify right side
    332,155.40x = 59,227,661,119.74
  5. Step 5: Solve for x
    x = 59,227,661,119.74/332,155.40
  6. Step 6: Final answer
    x = 178,313.11

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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.