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Finding the Fourth Proportional to 183,652.60, 253,442.46 and 103,078.51

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Solution

The fourth proportional to 183,652.60, 253,442.46 and 103,078.51 is: 142,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,652.60 : 253,442.46 = 103,078.51 : x
  2. Step 2: Convert to fraction form
    183,652.60/253,442.46 = 103,078.51/x
  3. Step 3: Cross multiply
    183,652.60x = 253,442.46 × 103,078.51
  4. Step 4: Simplify right side
    183,652.60x = 26,124,471,147.53
  5. Step 5: Solve for x
    x = 26,124,471,147.53/183,652.60
  6. Step 6: Final answer
    x = 142,249.39

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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.