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Finding the Fourth Proportional to 252,181.67, 348,000.24 and 137,457.79

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Solution

The fourth proportional to 252,181.67, 348,000.24 and 137,457.79 is: 189,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,181.67 : 348,000.24 = 137,457.79 : x
  2. Step 2: Convert to fraction form
    252,181.67/348,000.24 = 137,457.79/x
  3. Step 3: Cross multiply
    252,181.67x = 348,000.24 × 137,457.79
  4. Step 4: Simplify right side
    252,181.67x = 47,835,343,374.29
  5. Step 5: Solve for x
    x = 47,835,343,374.29/252,181.67
  6. Step 6: Final answer
    x = 189,686.04

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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.