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Finding the Fourth Proportional to 124,352.84, 171,606.62 and 67,764.12

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Solution

The fourth proportional to 124,352.84, 171,606.62 and 67,764.12 is: 93,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,352.84 : 171,606.62 = 67,764.12 : x
  2. Step 2: Convert to fraction form
    124,352.84/171,606.62 = 67,764.12/x
  3. Step 3: Cross multiply
    124,352.84x = 171,606.62 × 67,764.12
  4. Step 4: Simplify right side
    124,352.84x = 11,628,771,590.47
  5. Step 5: Solve for x
    x = 11,628,771,590.47/124,352.84
  6. Step 6: Final answer
    x = 93,514.32

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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.