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Finding the Fourth Proportional to 124,483.22, 186,724.52 and 53,359.74

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Solution

The fourth proportional to 124,483.22, 186,724.52 and 53,359.74 is: 80,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,483.22 : 186,724.52 = 53,359.74 : x
  2. Step 2: Convert to fraction form
    124,483.22/186,724.52 = 53,359.74/x
  3. Step 3: Cross multiply
    124,483.22x = 186,724.52 × 53,359.74
  4. Step 4: Simplify right side
    124,483.22x = 9,963,571,838.82
  5. Step 5: Solve for x
    x = 9,963,571,838.82/124,483.22
  6. Step 6: Final answer
    x = 80,039.48

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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.