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Finding the Fourth Proportional to 234,669.01, 323,842.93 and 127,238.87

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Solution

The fourth proportional to 234,669.01, 323,842.93 and 127,238.87 is: 175,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,669.01 : 323,842.93 = 127,238.87 : x
  2. Step 2: Convert to fraction form
    234,669.01/323,842.93 = 127,238.87/x
  3. Step 3: Cross multiply
    234,669.01x = 323,842.93 × 127,238.87
  4. Step 4: Simplify right side
    234,669.01x = 41,205,406,215.28
  5. Step 5: Solve for x
    x = 41,205,406,215.28/234,669.01
  6. Step 6: Final answer
    x = 175,589.47

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1.5x scale

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.