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Finding the Fourth Proportional to 183,765.60, 253,576.80 and 103,201.92

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Solution

The fourth proportional to 183,765.60, 253,576.80 and 103,201.92 is: 142,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,765.60 : 253,576.80 = 103,201.92 : x
  2. Step 2: Convert to fraction form
    183,765.60/253,576.80 = 103,201.92/x
  3. Step 3: Cross multiply
    183,765.60x = 253,576.80 × 103,201.92
  4. Step 4: Simplify right side
    183,765.60x = 26,169,612,627.46
  5. Step 5: Solve for x
    x = 26,169,612,627.46/183,765.60
  6. Step 6: Final answer
    x = 142,407.57

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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.