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Finding the Fourth Proportional to 267,720.76, 369,457.50 and 146,862.28

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Solution

The fourth proportional to 267,720.76, 369,457.50 and 146,862.28 is: 202,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,720.76 : 369,457.50 = 146,862.28 : x
  2. Step 2: Convert to fraction form
    267,720.76/369,457.50 = 146,862.28/x
  3. Step 3: Cross multiply
    267,720.76x = 369,457.50 × 146,862.28
  4. Step 4: Simplify right side
    267,720.76x = 54,259,370,813.10
  5. Step 5: Solve for x
    x = 54,259,370,813.10/267,720.76
  6. Step 6: Final answer
    x = 202,671.51

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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.