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Finding the Fourth Proportional to 256,919.04, 354,526.56 and 147,994.56

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Solution

The fourth proportional to 256,919.04, 354,526.56 and 147,994.56 is: 204,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,919.04 : 354,526.56 = 147,994.56 : x
  2. Step 2: Convert to fraction form
    256,919.04/354,526.56 = 147,994.56/x
  3. Step 3: Cross multiply
    256,919.04x = 354,526.56 × 147,994.56
  4. Step 4: Simplify right side
    256,919.04x = 52,468,002,255.51
  5. Step 5: Solve for x
    x = 52,468,002,255.51/256,919.04
  6. Step 6: Final answer
    x = 204,219.98

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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.