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Finding the Fourth Proportional to 169,903.66, 234,515.92 and 98,332.06

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Solution

The fourth proportional to 169,903.66, 234,515.92 and 98,332.06 is: 135,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,903.66 : 234,515.92 = 98,332.06 : x
  2. Step 2: Convert to fraction form
    169,903.66/234,515.92 = 98,332.06/x
  3. Step 3: Cross multiply
    169,903.66x = 234,515.92 × 98,332.06
  4. Step 4: Simplify right side
    169,903.66x = 23,060,433,516.40
  5. Step 5: Solve for x
    x = 23,060,433,516.40/169,903.66
  6. Step 6: Final answer
    x = 135,726.53

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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.