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Finding the Fourth Proportional to 169,458.21, 233,828.01 and 101,458.89

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Solution

The fourth proportional to 169,458.21, 233,828.01 and 101,458.89 is: 139,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,458.21 : 233,828.01 = 101,458.89 : x
  2. Step 2: Convert to fraction form
    169,458.21/233,828.01 = 101,458.89/x
  3. Step 3: Cross multiply
    169,458.21x = 233,828.01 × 101,458.89
  4. Step 4: Simplify right side
    169,458.21x = 23,723,930,345.51
  5. Step 5: Solve for x
    x = 23,723,930,345.51/169,458.21
  6. Step 6: Final answer
    x = 139,998.71

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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.