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Finding the Fourth Proportional to 272,813.84, 376,541.20 and 183,338

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Solution

The fourth proportional to 272,813.84, 376,541.20 and 183,338 is: 253,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,813.84 : 376,541.20 = 183,338 : x
  2. Step 2: Convert to fraction form
    272,813.84/376,541.20 = 183,338/x
  3. Step 3: Cross multiply
    272,813.84x = 376,541.20 × 183,338
  4. Step 4: Simplify right side
    272,813.84x = 69,034,310,525.60
  5. Step 5: Solve for x
    x = 69,034,310,525.60/272,813.84
  6. Step 6: Final answer
    x = 253,045.49

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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.