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Finding the Fourth Proportional to 124,055.60, 186,086.13 and 35,311.92

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Solution

The fourth proportional to 124,055.60, 186,086.13 and 35,311.92 is: 52,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,055.60 : 186,086.13 = 35,311.92 : x
  2. Step 2: Convert to fraction form
    124,055.60/186,086.13 = 35,311.92/x
  3. Step 3: Cross multiply
    124,055.60x = 186,086.13 × 35,311.92
  4. Step 4: Simplify right side
    124,055.60x = 6,571,059,573.47
  5. Step 5: Solve for x
    x = 6,571,059,573.47/124,055.60
  6. Step 6: Final answer
    x = 52,968.67

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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.