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Finding the Fourth Proportional to 147,335.84, 203,323.32 and 80,267.84

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Solution

The fourth proportional to 147,335.84, 203,323.32 and 80,267.84 is: 110,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,335.84 : 203,323.32 = 80,267.84 : x
  2. Step 2: Convert to fraction form
    147,335.84/203,323.32 = 80,267.84/x
  3. Step 3: Cross multiply
    147,335.84x = 203,323.32 × 80,267.84
  4. Step 4: Simplify right side
    147,335.84x = 16,320,323,718.03
  5. Step 5: Solve for x
    x = 16,320,323,718.03/147,335.84
  6. Step 6: Final answer
    x = 110,769.54

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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.