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Finding the Fourth Proportional to 118,504.64, 177,828.64 and 51,948.56

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Solution

The fourth proportional to 118,504.64, 177,828.64 and 51,948.56 is: 77,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,504.64 : 177,828.64 = 51,948.56 : x
  2. Step 2: Convert to fraction form
    118,504.64/177,828.64 = 51,948.56/x
  3. Step 3: Cross multiply
    118,504.64x = 177,828.64 × 51,948.56
  4. Step 4: Simplify right side
    118,504.64x = 9,237,941,774.76
  5. Step 5: Solve for x
    x = 9,237,941,774.76/118,504.64
  6. Step 6: Final answer
    x = 77,954.26

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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.