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Finding the Fourth Proportional to 226,543.90, 312,638.60 and 124,577.10

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Solution

The fourth proportional to 226,543.90, 312,638.60 and 124,577.10 is: 171,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,543.90 : 312,638.60 = 124,577.10 : x
  2. Step 2: Convert to fraction form
    226,543.90/312,638.60 = 124,577.10/x
  3. Step 3: Cross multiply
    226,543.90x = 312,638.60 × 124,577.10
  4. Step 4: Simplify right side
    226,543.90x = 38,947,610,136.06
  5. Step 5: Solve for x
    x = 38,947,610,136.06/226,543.90
  6. Step 6: Final answer
    x = 171,920.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.