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Finding the Fourth Proportional to 170,833.92, 256,127.68 and 104,258.40

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Solution

The fourth proportional to 170,833.92, 256,127.68 and 104,258.40 is: 156,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,833.92 : 256,127.68 = 104,258.40 : x
  2. Step 2: Convert to fraction form
    170,833.92/256,127.68 = 104,258.40/x
  3. Step 3: Cross multiply
    170,833.92x = 256,127.68 × 104,258.40
  4. Step 4: Simplify right side
    170,833.92x = 26,703,462,112.51
  5. Step 5: Solve for x
    x = 26,703,462,112.51/170,833.92
  6. Step 6: Final answer
    x = 156,312.41

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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.