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Finding the Fourth Proportional to 163,714.60, 245,571.90 and 162,548.20

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Solution

The fourth proportional to 163,714.60, 245,571.90 and 162,548.20 is: 243,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,714.60 : 245,571.90 = 162,548.20 : x
  2. Step 2: Convert to fraction form
    163,714.60/245,571.90 = 162,548.20/x
  3. Step 3: Cross multiply
    163,714.60x = 245,571.90 × 162,548.20
  4. Step 4: Simplify right side
    163,714.60x = 39,917,270,315.58
  5. Step 5: Solve for x
    x = 39,917,270,315.58/163,714.60
  6. Step 6: Final answer
    x = 243,822.30

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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.