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Finding the Fourth Proportional to 161,034, 241,577.40 and 66,238.49

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Solution

The fourth proportional to 161,034, 241,577.40 and 66,238.49 is: 99,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,034 : 241,577.40 = 66,238.49 : x
  2. Step 2: Convert to fraction form
    161,034/241,577.40 = 66,238.49/x
  3. Step 3: Cross multiply
    161,034x = 241,577.40 × 66,238.49
  4. Step 4: Simplify right side
    161,034x = 16,001,720,986.24
  5. Step 5: Solve for x
    x = 16,001,720,986.24/161,034
  6. Step 6: Final answer
    x = 99,368.59

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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.