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Finding the Fourth Proportional to 360,695.49, 540,969.39 and 124,056.60

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Solution

The fourth proportional to 360,695.49, 540,969.39 and 124,056.60 is: 186,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,695.49 : 540,969.39 = 124,056.60 : x
  2. Step 2: Convert to fraction form
    360,695.49/540,969.39 = 124,056.60/x
  3. Step 3: Cross multiply
    360,695.49x = 540,969.39 × 124,056.60
  4. Step 4: Simplify right side
    360,695.49x = 67,110,823,227.47
  5. Step 5: Solve for x
    x = 67,110,823,227.47/360,695.49
  6. Step 6: Final answer
    x = 186,059.50

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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.