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Finding the Fourth Proportional to 256,606.92, 384,811.98 and 88,095.84

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Solution

The fourth proportional to 256,606.92, 384,811.98 and 88,095.84 is: 132,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,606.92 : 384,811.98 = 88,095.84 : x
  2. Step 2: Convert to fraction form
    256,606.92/384,811.98 = 88,095.84/x
  3. Step 3: Cross multiply
    256,606.92x = 384,811.98 × 88,095.84
  4. Step 4: Simplify right side
    256,606.92x = 33,900,334,620.16
  5. Step 5: Solve for x
    x = 33,900,334,620.16/256,606.92
  6. Step 6: Final answer
    x = 132,109.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.