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Finding the Fourth Proportional to 124,484.94, 171,791.55 and 67,898.34

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Solution

The fourth proportional to 124,484.94, 171,791.55 and 67,898.34 is: 93,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,484.94 : 171,791.55 = 67,898.34 : x
  2. Step 2: Convert to fraction form
    124,484.94/171,791.55 = 67,898.34/x
  3. Step 3: Cross multiply
    124,484.94x = 171,791.55 × 67,898.34
  4. Step 4: Simplify right side
    124,484.94x = 11,664,361,071.03
  5. Step 5: Solve for x
    x = 11,664,361,071.03/124,484.94
  6. Step 6: Final answer
    x = 93,700.98

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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.