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Finding the Fourth Proportional to 127,453.71, 175,890.64 and 70,097.47

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Solution

The fourth proportional to 127,453.71, 175,890.64 and 70,097.47 is: 96,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.71 : 175,890.64 = 70,097.47 : x
  2. Step 2: Convert to fraction form
    127,453.71/175,890.64 = 70,097.47/x
  3. Step 3: Cross multiply
    127,453.71x = 175,890.64 × 70,097.47
  4. Step 4: Simplify right side
    127,453.71x = 12,329,488,860.68
  5. Step 5: Solve for x
    x = 12,329,488,860.68/127,453.71
  6. Step 6: Final answer
    x = 96,736.99

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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.