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Finding the Fourth Proportional to 303,415.09, 454,972.87 and 93,002.29

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Solution

The fourth proportional to 303,415.09, 454,972.87 and 93,002.29 is: 139,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,415.09 : 454,972.87 = 93,002.29 : x
  2. Step 2: Convert to fraction form
    303,415.09/454,972.87 = 93,002.29/x
  3. Step 3: Cross multiply
    303,415.09x = 454,972.87 × 93,002.29
  4. Step 4: Simplify right side
    303,415.09x = 42,313,518,797.87
  5. Step 5: Solve for x
    x = 42,313,518,797.87/303,415.09
  6. Step 6: Final answer
    x = 139,457.53

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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.