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Finding the Fourth Proportional to 256,624.92, 354,154.68 and 141,901.56

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Solution

The fourth proportional to 256,624.92, 354,154.68 and 141,901.56 is: 195,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,624.92 : 354,154.68 = 141,901.56 : x
  2. Step 2: Convert to fraction form
    256,624.92/354,154.68 = 141,901.56/x
  3. Step 3: Cross multiply
    256,624.92x = 354,154.68 × 141,901.56
  4. Step 4: Simplify right side
    256,624.92x = 50,255,101,573.30
  5. Step 5: Solve for x
    x = 50,255,101,573.30/256,624.92
  6. Step 6: Final answer
    x = 195,830.95

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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.