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Finding the Fourth Proportional to 127,296.71, 175,675.02 and 70,708.09

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Solution

The fourth proportional to 127,296.71, 175,675.02 and 70,708.09 is: 97,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,296.71 : 175,675.02 = 70,708.09 : x
  2. Step 2: Convert to fraction form
    127,296.71/175,675.02 = 70,708.09/x
  3. Step 3: Cross multiply
    127,296.71x = 175,675.02 × 70,708.09
  4. Step 4: Simplify right side
    127,296.71x = 12,421,644,246.54
  5. Step 5: Solve for x
    x = 12,421,644,246.54/127,296.71
  6. Step 6: Final answer
    x = 97,580.25

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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.