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Finding the Fourth Proportional to 124,473.51, 171,771.57 and 67,884.89

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Solution

The fourth proportional to 124,473.51, 171,771.57 and 67,884.89 is: 93,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,473.51 : 171,771.57 = 67,884.89 : x
  2. Step 2: Convert to fraction form
    124,473.51/171,771.57 = 67,884.89/x
  3. Step 3: Cross multiply
    124,473.51x = 171,771.57 × 67,884.89
  4. Step 4: Simplify right side
    124,473.51x = 11,660,693,275.72
  5. Step 5: Solve for x
    x = 11,660,693,275.72/124,473.51
  6. Step 6: Final answer
    x = 93,680.12

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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.