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Finding the Fourth Proportional to 114,634.60, 171,951.90 and 100,810.60

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Solution

The fourth proportional to 114,634.60, 171,951.90 and 100,810.60 is: 151,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,634.60 : 171,951.90 = 100,810.60 : x
  2. Step 2: Convert to fraction form
    114,634.60/171,951.90 = 100,810.60/x
  3. Step 3: Cross multiply
    114,634.60x = 171,951.90 × 100,810.60
  4. Step 4: Simplify right side
    114,634.60x = 17,334,574,210.14
  5. Step 5: Solve for x
    x = 17,334,574,210.14/114,634.60
  6. Step 6: Final answer
    x = 151,215.90

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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.