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Finding the Fourth Proportional to 275,661.60, 413,492.40 and 88,673.10

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Solution

The fourth proportional to 275,661.60, 413,492.40 and 88,673.10 is: 133,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,661.60 : 413,492.40 = 88,673.10 : x
  2. Step 2: Convert to fraction form
    275,661.60/413,492.40 = 88,673.10/x
  3. Step 3: Cross multiply
    275,661.60x = 413,492.40 × 88,673.10
  4. Step 4: Simplify right side
    275,661.60x = 36,665,652,934.44
  5. Step 5: Solve for x
    x = 36,665,652,934.44/275,661.60
  6. Step 6: Final answer
    x = 133,009.65

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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.