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Finding the Fourth Proportional to 169,258.86, 253,638.81 and 94,275.78

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Solution

The fourth proportional to 169,258.86, 253,638.81 and 94,275.78 is: 141,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,258.86 : 253,638.81 = 94,275.78 : x
  2. Step 2: Convert to fraction form
    169,258.86/253,638.81 = 94,275.78/x
  3. Step 3: Cross multiply
    169,258.86x = 253,638.81 × 94,275.78
  4. Step 4: Simplify right side
    169,258.86x = 23,911,996,651.02
  5. Step 5: Solve for x
    x = 23,911,996,651.02/169,258.86
  6. Step 6: Final answer
    x = 141,274.71

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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.