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Finding the Fourth Proportional to 161,056, 241,652.24 and 86,156.52

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Solution

The fourth proportional to 161,056, 241,652.24 and 86,156.52 is: 129,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,056 : 241,652.24 = 86,156.52 : x
  2. Step 2: Convert to fraction form
    161,056/241,652.24 = 86,156.52/x
  3. Step 3: Cross multiply
    161,056x = 241,652.24 × 86,156.52
  4. Step 4: Simplify right side
    161,056x = 20,819,916,048.60
  5. Step 5: Solve for x
    x = 20,819,916,048.60/161,056
  6. Step 6: Final answer
    x = 129,271.28

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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.