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Finding the Fourth Proportional to 170,908.71, 235,867.80 and 94,434.48

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Solution

The fourth proportional to 170,908.71, 235,867.80 and 94,434.48 is: 130,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,908.71 : 235,867.80 = 94,434.48 : x
  2. Step 2: Convert to fraction form
    170,908.71/235,867.80 = 94,434.48/x
  3. Step 3: Cross multiply
    170,908.71x = 235,867.80 × 94,434.48
  4. Step 4: Simplify right side
    170,908.71x = 22,274,053,041.74
  5. Step 5: Solve for x
    x = 22,274,053,041.74/170,908.71
  6. Step 6: Final answer
    x = 130,327.20

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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.