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Finding the Fourth Proportional to 273,703.68, 377,696.64 and 154,464

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Solution

The fourth proportional to 273,703.68, 377,696.64 and 154,464 is: 213,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,703.68 : 377,696.64 = 154,464 : x
  2. Step 2: Convert to fraction form
    273,703.68/377,696.64 = 154,464/x
  3. Step 3: Cross multiply
    273,703.68x = 377,696.64 × 154,464
  4. Step 4: Simplify right side
    273,703.68x = 58,340,533,800.96
  5. Step 5: Solve for x
    x = 58,340,533,800.96/273,703.68
  6. Step 6: Final answer
    x = 213,152.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.