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Finding the Fourth Proportional to 124,352.51, 171,606.68 and 67,763.89

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Solution

The fourth proportional to 124,352.51, 171,606.68 and 67,763.89 is: 93,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,352.51 : 171,606.68 = 67,763.89 : x
  2. Step 2: Convert to fraction form
    124,352.51/171,606.68 = 67,763.89/x
  3. Step 3: Cross multiply
    124,352.51x = 171,606.68 × 67,763.89
  4. Step 4: Simplify right side
    124,352.51x = 11,628,736,186.79
  5. Step 5: Solve for x
    x = 11,628,736,186.79/124,352.51
  6. Step 6: Final answer
    x = 93,514.29

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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.