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Finding the Fourth Proportional to 124,571.95, 186,742.78 and 49,673.88

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Solution

The fourth proportional to 124,571.95, 186,742.78 and 49,673.88 is: 74,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,571.95 : 186,742.78 = 49,673.88 : x
  2. Step 2: Convert to fraction form
    124,571.95/186,742.78 = 49,673.88/x
  3. Step 3: Cross multiply
    124,571.95x = 186,742.78 × 49,673.88
  4. Step 4: Simplify right side
    124,571.95x = 9,276,238,444.59
  5. Step 5: Solve for x
    x = 9,276,238,444.59/124,571.95
  6. Step 6: Final answer
    x = 74,464.91

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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.