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Finding the Fourth Proportional to 124,262.51, 171,484.16 and 67,673.88

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Solution

The fourth proportional to 124,262.51, 171,484.16 and 67,673.88 is: 93,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,262.51 : 171,484.16 = 67,673.88 : x
  2. Step 2: Convert to fraction form
    124,262.51/171,484.16 = 67,673.88/x
  3. Step 3: Cross multiply
    124,262.51x = 171,484.16 × 67,673.88
  4. Step 4: Simplify right side
    124,262.51x = 11,604,998,127.37
  5. Step 5: Solve for x
    x = 11,604,998,127.37/124,262.51
  6. Step 6: Final answer
    x = 93,390.99

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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.