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Finding the Fourth Proportional to 303,903.04, 455,860.42 and 93,540.76

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Solution

The fourth proportional to 303,903.04, 455,860.42 and 93,540.76 is: 140,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,903.04 : 455,860.42 = 93,540.76 : x
  2. Step 2: Convert to fraction form
    303,903.04/455,860.42 = 93,540.76/x
  3. Step 3: Cross multiply
    303,903.04x = 455,860.42 × 93,540.76
  4. Step 4: Simplify right side
    303,903.04x = 42,641,530,140.72
  5. Step 5: Solve for x
    x = 42,641,530,140.72/303,903.04
  6. Step 6: Final answer
    x = 140,312.94

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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.