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Finding the Fourth Proportional to 124,493.44, 186,424.76 and 77,200.88

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Solution

The fourth proportional to 124,493.44, 186,424.76 and 77,200.88 is: 115,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493.44 : 186,424.76 = 77,200.88 : x
  2. Step 2: Convert to fraction form
    124,493.44/186,424.76 = 77,200.88/x
  3. Step 3: Cross multiply
    124,493.44x = 186,424.76 × 77,200.88
  4. Step 4: Simplify right side
    124,493.44x = 14,392,155,525.79
  5. Step 5: Solve for x
    x = 14,392,155,525.79/124,493.44
  6. Step 6: Final answer
    x = 115,605.73

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1.5x scale

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.