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Finding the Fourth Proportional to 250,808.41, 346,125.59 and 137,635.21

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Solution

The fourth proportional to 250,808.41, 346,125.59 and 137,635.21 is: 189,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,808.41 : 346,125.59 = 137,635.21 : x
  2. Step 2: Convert to fraction form
    250,808.41/346,125.59 = 137,635.21/x
  3. Step 3: Cross multiply
    250,808.41x = 346,125.59 × 137,635.21
  4. Step 4: Simplify right side
    250,808.41x = 47,639,068,266.02
  5. Step 5: Solve for x
    x = 47,639,068,266.02/250,808.41
  6. Step 6: Final answer
    x = 189,942.07

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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.