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Finding the Fourth Proportional to 218,376.48, 301,366.25 and 118,927.78

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Solution

The fourth proportional to 218,376.48, 301,366.25 and 118,927.78 is: 164,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,376.48 : 301,366.25 = 118,927.78 : x
  2. Step 2: Convert to fraction form
    218,376.48/301,366.25 = 118,927.78/x
  3. Step 3: Cross multiply
    218,376.48x = 301,366.25 × 118,927.78
  4. Step 4: Simplify right side
    218,376.48x = 35,840,819,079.43
  5. Step 5: Solve for x
    x = 35,840,819,079.43/218,376.48
  6. Step 6: Final answer
    x = 164,123.99

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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.