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Finding the Fourth Proportional to 134,676.76, 185,850.51 and 74,246.01

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Solution

The fourth proportional to 134,676.76, 185,850.51 and 74,246.01 is: 102,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676.76 : 185,850.51 = 74,246.01 : x
  2. Step 2: Convert to fraction form
    134,676.76/185,850.51 = 74,246.01/x
  3. Step 3: Cross multiply
    134,676.76x = 185,850.51 × 74,246.01
  4. Step 4: Simplify right side
    134,676.76x = 13,798,658,823.97
  5. Step 5: Solve for x
    x = 13,798,658,823.97/134,676.76
  6. Step 6: Final answer
    x = 102,457.61

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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.