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Finding the Fourth Proportional to 303,563.30, 455,344.95 and 93,200.90

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Solution

The fourth proportional to 303,563.30, 455,344.95 and 93,200.90 is: 139,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,563.30 : 455,344.95 = 93,200.90 : x
  2. Step 2: Convert to fraction form
    303,563.30/455,344.95 = 93,200.90/x
  3. Step 3: Cross multiply
    303,563.30x = 455,344.95 × 93,200.90
  4. Step 4: Simplify right side
    303,563.30x = 42,438,559,150.46
  5. Step 5: Solve for x
    x = 42,438,559,150.46/303,563.30
  6. Step 6: Final answer
    x = 139,801.35

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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.