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Finding the Fourth Proportional to 153,611.60, 230,563.20 and 94,562.60

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Solution

The fourth proportional to 153,611.60, 230,563.20 and 94,562.60 is: 141,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,611.60 : 230,563.20 = 94,562.60 : x
  2. Step 2: Convert to fraction form
    153,611.60/230,563.20 = 94,562.60/x
  3. Step 3: Cross multiply
    153,611.60x = 230,563.20 × 94,562.60
  4. Step 4: Simplify right side
    153,611.60x = 21,802,655,656.32
  5. Step 5: Solve for x
    x = 21,802,655,656.32/153,611.60
  6. Step 6: Final answer
    x = 141,933.65

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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.