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Finding the Fourth Proportional to 153,933.48, 230,696.10 and 79,050.60

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Solution

The fourth proportional to 153,933.48, 230,696.10 and 79,050.60 is: 118,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,933.48 : 230,696.10 = 79,050.60 : x
  2. Step 2: Convert to fraction form
    153,933.48/230,696.10 = 79,050.60/x
  3. Step 3: Cross multiply
    153,933.48x = 230,696.10 × 79,050.60
  4. Step 4: Simplify right side
    153,933.48x = 18,236,665,122.66
  5. Step 5: Solve for x
    x = 18,236,665,122.66/153,933.48
  6. Step 6: Final answer
    x = 118,471.08

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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.