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Finding the Fourth Proportional to 218,317.84, 301,168.37 and 127,614.54

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Solution

The fourth proportional to 218,317.84, 301,168.37 and 127,614.54 is: 176,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,317.84 : 301,168.37 = 127,614.54 : x
  2. Step 2: Convert to fraction form
    218,317.84/301,168.37 = 127,614.54/x
  3. Step 3: Cross multiply
    218,317.84x = 301,168.37 × 127,614.54
  4. Step 4: Simplify right side
    218,317.84x = 38,433,463,000.10
  5. Step 5: Solve for x
    x = 38,433,463,000.10/218,317.84
  6. Step 6: Final answer
    x = 176,043.62

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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.