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Finding the Fourth Proportional to 148,953.58, 205,358.41 and 123,365.68

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Solution

The fourth proportional to 148,953.58, 205,358.41 and 123,365.68 is: 170,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,953.58 : 205,358.41 = 123,365.68 : x
  2. Step 2: Convert to fraction form
    148,953.58/205,358.41 = 123,365.68/x
  3. Step 3: Cross multiply
    148,953.58x = 205,358.41 × 123,365.68
  4. Step 4: Simplify right side
    148,953.58x = 25,334,179,893.37
  5. Step 5: Solve for x
    x = 25,334,179,893.37/148,953.58
  6. Step 6: Final answer
    x = 170,081.04

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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.