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Finding the Fourth Proportional to 124,369.60, 186,499.36 and 35,602.88

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Solution

The fourth proportional to 124,369.60, 186,499.36 and 35,602.88 is: 53,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,369.60 : 186,499.36 = 35,602.88 : x
  2. Step 2: Convert to fraction form
    124,369.60/186,499.36 = 35,602.88/x
  3. Step 3: Cross multiply
    124,369.60x = 186,499.36 × 35,602.88
  4. Step 4: Simplify right side
    124,369.60x = 6,639,914,334.16
  5. Step 5: Solve for x
    x = 6,639,914,334.16/124,369.60
  6. Step 6: Final answer
    x = 53,388.56

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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.