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Finding the Fourth Proportional to 163,592.10, 225,660.87 and 103,055.94

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Solution

The fourth proportional to 163,592.10, 225,660.87 and 103,055.94 is: 142,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,592.10 : 225,660.87 = 103,055.94 : x
  2. Step 2: Convert to fraction form
    163,592.10/225,660.87 = 103,055.94/x
  3. Step 3: Cross multiply
    163,592.10x = 225,660.87 × 103,055.94
  4. Step 4: Simplify right side
    163,592.10x = 23,255,693,079.07
  5. Step 5: Solve for x
    x = 23,255,693,079.07/163,592.10
  6. Step 6: Final answer
    x = 142,156.58

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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.