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Finding the Fourth Proportional to 169,875.60, 254,521.80 and 110,680.80

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Solution

The fourth proportional to 169,875.60, 254,521.80 and 110,680.80 is: 165,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,875.60 : 254,521.80 = 110,680.80 : x
  2. Step 2: Convert to fraction form
    169,875.60/254,521.80 = 110,680.80/x
  3. Step 3: Cross multiply
    169,875.60x = 254,521.80 × 110,680.80
  4. Step 4: Simplify right side
    169,875.60x = 28,170,676,441.44
  5. Step 5: Solve for x
    x = 28,170,676,441.44/169,875.60
  6. Step 6: Final answer
    x = 165,831.21

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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.