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Finding the Fourth Proportional to 610,551.92, 915,871.59 and 161,268.29

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Solution

The fourth proportional to 610,551.92, 915,871.59 and 161,268.29 is: 241,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,551.92 : 915,871.59 = 161,268.29 : x
  2. Step 2: Convert to fraction form
    610,551.92/915,871.59 = 161,268.29/x
  3. Step 3: Cross multiply
    610,551.92x = 915,871.59 × 161,268.29
  4. Step 4: Simplify right side
    610,551.92x = 147,701,045,178.88
  5. Step 5: Solve for x
    x = 147,701,045,178.88/610,551.92
  6. Step 6: Final answer
    x = 241,913.98

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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.