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Finding the Fourth Proportional to 303,453.80, 455,180.70 and 93,064.40

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Solution

The fourth proportional to 303,453.80, 455,180.70 and 93,064.40 is: 139,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,453.80 : 455,180.70 = 93,064.40 : x
  2. Step 2: Convert to fraction form
    303,453.80/455,180.70 = 93,064.40/x
  3. Step 3: Cross multiply
    303,453.80x = 455,180.70 × 93,064.40
  4. Step 4: Simplify right side
    303,453.80x = 42,361,118,737.08
  5. Step 5: Solve for x
    x = 42,361,118,737.08/303,453.80
  6. Step 6: Final answer
    x = 139,596.60

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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.