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Finding the Fourth Proportional to 183,915.75, 253,808.18 and 103,338.46

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Solution

The fourth proportional to 183,915.75, 253,808.18 and 103,338.46 is: 142,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,915.75 : 253,808.18 = 103,338.46 : x
  2. Step 2: Convert to fraction form
    183,915.75/253,808.18 = 103,338.46/x
  3. Step 3: Cross multiply
    183,915.75x = 253,808.18 × 103,338.46
  4. Step 4: Simplify right side
    183,915.75x = 26,228,146,456.60
  5. Step 5: Solve for x
    x = 26,228,146,456.60/183,915.75
  6. Step 6: Final answer
    x = 142,609.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.