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Finding the Fourth Proportional to 169,628.40, 254,275.20 and 94,784.40

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Solution

The fourth proportional to 169,628.40, 254,275.20 and 94,784.40 is: 142,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,628.40 : 254,275.20 = 94,784.40 : x
  2. Step 2: Convert to fraction form
    169,628.40/254,275.20 = 94,784.40/x
  3. Step 3: Cross multiply
    169,628.40x = 254,275.20 × 94,784.40
  4. Step 4: Simplify right side
    169,628.40x = 24,101,322,266.88
  5. Step 5: Solve for x
    x = 24,101,322,266.88/169,628.40
  6. Step 6: Final answer
    x = 142,083.06

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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.