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Finding the Fourth Proportional to 303,354.84, 455,119.74 and 93,023.76

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Solution

The fourth proportional to 303,354.84, 455,119.74 and 93,023.76 is: 139,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,354.84 : 455,119.74 = 93,023.76 : x
  2. Step 2: Convert to fraction form
    303,354.84/455,119.74 = 93,023.76/x
  3. Step 3: Cross multiply
    303,354.84x = 455,119.74 × 93,023.76
  4. Step 4: Simplify right side
    303,354.84x = 42,336,949,465.02
  5. Step 5: Solve for x
    x = 42,336,949,465.02/303,354.84
  6. Step 6: Final answer
    x = 139,562.47

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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.