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Finding the Fourth Proportional to 169,395.17, 255,630.04 and 163,748.66

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Solution

The fourth proportional to 169,395.17, 255,630.04 and 163,748.66 is: 247,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,395.17 : 255,630.04 = 163,748.66 : x
  2. Step 2: Convert to fraction form
    169,395.17/255,630.04 = 163,748.66/x
  3. Step 3: Cross multiply
    169,395.17x = 255,630.04 × 163,748.66
  4. Step 4: Simplify right side
    169,395.17x = 41,859,074,818.22
  5. Step 5: Solve for x
    x = 41,859,074,818.22/169,395.17
  6. Step 6: Final answer
    x = 247,109.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.