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Finding the Fourth Proportional to 148,597.62, 205,078.86 and 84,923.07

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Solution

The fourth proportional to 148,597.62, 205,078.86 and 84,923.07 is: 117,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,597.62 : 205,078.86 = 84,923.07 : x
  2. Step 2: Convert to fraction form
    148,597.62/205,078.86 = 84,923.07/x
  3. Step 3: Cross multiply
    148,597.62x = 205,078.86 × 84,923.07
  4. Step 4: Simplify right side
    148,597.62x = 17,415,926,383.30
  5. Step 5: Solve for x
    x = 17,415,926,383.30/148,597.62
  6. Step 6: Final answer
    x = 117,201.92

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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.