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Finding the Fourth Proportional to 161,235.61, 241,882.50 and 66,414.03

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Solution

The fourth proportional to 161,235.61, 241,882.50 and 66,414.03 is: 99,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,235.61 : 241,882.50 = 66,414.03 : x
  2. Step 2: Convert to fraction form
    161,235.61/241,882.50 = 66,414.03/x
  3. Step 3: Cross multiply
    161,235.61x = 241,882.50 × 66,414.03
  4. Step 4: Simplify right side
    161,235.61x = 16,064,390,953.47
  5. Step 5: Solve for x
    x = 16,064,390,953.47/161,235.61
  6. Step 6: Final answer
    x = 99,633.02

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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.