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Finding the Fourth Proportional to 117,044.79, 175,493.40 and 64,491.18

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Solution

The fourth proportional to 117,044.79, 175,493.40 and 64,491.18 is: 96,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,044.79 : 175,493.40 = 64,491.18 : x
  2. Step 2: Convert to fraction form
    117,044.79/175,493.40 = 64,491.18/x
  3. Step 3: Cross multiply
    117,044.79x = 175,493.40 × 64,491.18
  4. Step 4: Simplify right side
    117,044.79x = 11,317,776,448.21
  5. Step 5: Solve for x
    x = 11,317,776,448.21/117,044.79
  6. Step 6: Final answer
    x = 96,696.11

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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.