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Finding the Fourth Proportional to 114,852.60, 171,890.10 and 100,855.80

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Solution

The fourth proportional to 114,852.60, 171,890.10 and 100,855.80 is: 150,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,852.60 : 171,890.10 = 100,855.80 : x
  2. Step 2: Convert to fraction form
    114,852.60/171,890.10 = 100,855.80/x
  3. Step 3: Cross multiply
    114,852.60x = 171,890.10 × 100,855.80
  4. Step 4: Simplify right side
    114,852.60x = 17,336,113,547.58
  5. Step 5: Solve for x
    x = 17,336,113,547.58/114,852.60
  6. Step 6: Final answer
    x = 150,942.28

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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.