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Finding the Fourth Proportional to 124,057.60, 185,881.60 and 105,625.60

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Solution

The fourth proportional to 124,057.60, 185,881.60 and 105,625.60 is: 158,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,057.60 : 185,881.60 = 105,625.60 : x
  2. Step 2: Convert to fraction form
    124,057.60/185,881.60 = 105,625.60/x
  3. Step 3: Cross multiply
    124,057.60x = 185,881.60 × 105,625.60
  4. Step 4: Simplify right side
    124,057.60x = 19,633,855,528.96
  5. Step 5: Solve for x
    x = 19,633,855,528.96/124,057.60
  6. Step 6: Final answer
    x = 158,264.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.