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Finding the Fourth Proportional to 155,611.80, 232,980.30 and 151,237.80

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Solution

The fourth proportional to 155,611.80, 232,980.30 and 151,237.80 is: 226,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,611.80 : 232,980.30 = 151,237.80 : x
  2. Step 2: Convert to fraction form
    155,611.80/232,980.30 = 151,237.80/x
  3. Step 3: Cross multiply
    155,611.80x = 232,980.30 × 151,237.80
  4. Step 4: Simplify right side
    155,611.80x = 35,235,428,015.34
  5. Step 5: Solve for x
    x = 35,235,428,015.34/155,611.80
  6. Step 6: Final answer
    x = 226,431.59

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1.5x scale

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.