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Finding the Fourth Proportional to 124,237.68, 171,448.29 and 67,647.84

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Solution

The fourth proportional to 124,237.68, 171,448.29 and 67,647.84 is: 93,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,237.68 : 171,448.29 = 67,647.84 : x
  2. Step 2: Convert to fraction form
    124,237.68/171,448.29 = 67,647.84/x
  3. Step 3: Cross multiply
    124,237.68x = 171,448.29 × 67,647.84
  4. Step 4: Simplify right side
    124,237.68x = 11,598,106,490.19
  5. Step 5: Solve for x
    x = 11,598,106,490.19/124,237.68
  6. Step 6: Final answer
    x = 93,354.18

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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.