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Finding the Fourth Proportional to 170,007.64, 234,618.42 and 98,373.76

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Solution

The fourth proportional to 170,007.64, 234,618.42 and 98,373.76 is: 135,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,007.64 : 234,618.42 = 98,373.76 : x
  2. Step 2: Convert to fraction form
    170,007.64/234,618.42 = 98,373.76/x
  3. Step 3: Cross multiply
    170,007.64x = 234,618.42 × 98,373.76
  4. Step 4: Simplify right side
    170,007.64x = 23,080,296,140.66
  5. Step 5: Solve for x
    x = 23,080,296,140.66/170,007.64
  6. Step 6: Final answer
    x = 135,760.35

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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.