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Finding the Fourth Proportional to 272,158.58, 375,589.67 and 149,661.01

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Solution

The fourth proportional to 272,158.58, 375,589.67 and 149,661.01 is: 206,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,158.58 : 375,589.67 = 149,661.01 : x
  2. Step 2: Convert to fraction form
    272,158.58/375,589.67 = 149,661.01/x
  3. Step 3: Cross multiply
    272,158.58x = 375,589.67 × 149,661.01
  4. Step 4: Simplify right side
    272,158.58x = 56,211,127,670.49
  5. Step 5: Solve for x
    x = 56,211,127,670.49/272,158.58
  6. Step 6: Final answer
    x = 206,538.14

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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.