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Finding the Fourth Proportional to 148,347.56, 204,718.80 and 80,365.84

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Solution

The fourth proportional to 148,347.56, 204,718.80 and 80,365.84 is: 110,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,347.56 : 204,718.80 = 80,365.84 : x
  2. Step 2: Convert to fraction form
    148,347.56/204,718.80 = 80,365.84/x
  3. Step 3: Cross multiply
    148,347.56x = 204,718.80 × 80,365.84
  4. Step 4: Simplify right side
    148,347.56x = 16,452,398,325.79
  5. Step 5: Solve for x
    x = 16,452,398,325.79/148,347.56
  6. Step 6: Final answer
    x = 110,904.41

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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.