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Finding the Fourth Proportional to 127,496.16, 191,242.08 and 44,388

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Solution

The fourth proportional to 127,496.16, 191,242.08 and 44,388 is: 66,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,496.16 : 191,242.08 = 44,388 : x
  2. Step 2: Convert to fraction form
    127,496.16/191,242.08 = 44,388/x
  3. Step 3: Cross multiply
    127,496.16x = 191,242.08 × 44,388
  4. Step 4: Simplify right side
    127,496.16x = 8,488,853,447.04
  5. Step 5: Solve for x
    x = 8,488,853,447.04/127,496.16
  6. Step 6: Final answer
    x = 66,581.25

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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.