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Finding the Fourth Proportional to 124,525.60, 186,788.40 and 119,687.20

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Solution

The fourth proportional to 124,525.60, 186,788.40 and 119,687.20 is: 179,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525.60 : 186,788.40 = 119,687.20 : x
  2. Step 2: Convert to fraction form
    124,525.60/186,788.40 = 119,687.20/x
  3. Step 3: Cross multiply
    124,525.60x = 186,788.40 × 119,687.20
  4. Step 4: Simplify right side
    124,525.60x = 22,356,180,588.48
  5. Step 5: Solve for x
    x = 22,356,180,588.48/124,525.60
  6. Step 6: Final answer
    x = 179,530.80

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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.