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Finding the Fourth Proportional to 256,632.58, 354,094.59 and 147,749.14

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Solution

The fourth proportional to 256,632.58, 354,094.59 and 147,749.14 is: 203,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,632.58 : 354,094.59 = 147,749.14 : x
  2. Step 2: Convert to fraction form
    256,632.58/354,094.59 = 147,749.14/x
  3. Step 3: Cross multiply
    256,632.58x = 354,094.59 × 147,749.14
  4. Step 4: Simplify right side
    256,632.58x = 52,317,171,151.15
  5. Step 5: Solve for x
    x = 52,317,171,151.15/256,632.58
  6. Step 6: Final answer
    x = 203,860.21

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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.