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Finding the Fourth Proportional to 124,274.88, 171,444.76 and 83,973.94

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Solution

The fourth proportional to 124,274.88, 171,444.76 and 83,973.94 is: 115,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.88 : 171,444.76 = 83,973.94 : x
  2. Step 2: Convert to fraction form
    124,274.88/171,444.76 = 83,973.94/x
  3. Step 3: Cross multiply
    124,274.88x = 171,444.76 × 83,973.94
  4. Step 4: Simplify right side
    124,274.88x = 14,396,891,351.01
  5. Step 5: Solve for x
    x = 14,396,891,351.01/124,274.88
  6. Step 6: Final answer
    x = 115,847.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.