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Finding the Fourth Proportional to 127,358.40, 191,125.04 and 44,252.40

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Solution

The fourth proportional to 127,358.40, 191,125.04 and 44,252.40 is: 66,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,358.40 : 191,125.04 = 44,252.40 : x
  2. Step 2: Convert to fraction form
    127,358.40/191,125.04 = 44,252.40/x
  3. Step 3: Cross multiply
    127,358.40x = 191,125.04 × 44,252.40
  4. Step 4: Simplify right side
    127,358.40x = 8,457,741,720.10
  5. Step 5: Solve for x
    x = 8,457,741,720.10/127,358.40
  6. Step 6: Final answer
    x = 66,408.98

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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.