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Finding the Fourth Proportional to 162,959.36, 244,813.28 and 115,038.16

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Solution

The fourth proportional to 162,959.36, 244,813.28 and 115,038.16 is: 172,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,959.36 : 244,813.28 = 115,038.16 : x
  2. Step 2: Convert to fraction form
    162,959.36/244,813.28 = 115,038.16/x
  3. Step 3: Cross multiply
    162,959.36x = 244,813.28 × 115,038.16
  4. Step 4: Simplify right side
    162,959.36x = 28,162,869,274.76
  5. Step 5: Solve for x
    x = 28,162,869,274.76/162,959.36
  6. Step 6: Final answer
    x = 172,821.43

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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.