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Finding the Fourth Proportional to 127,964.52, 176,583 and 70,604.52

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Solution

The fourth proportional to 127,964.52, 176,583 and 70,604.52 is: 97,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,964.52 : 176,583 = 70,604.52 : x
  2. Step 2: Convert to fraction form
    127,964.52/176,583 = 70,604.52/x
  3. Step 3: Cross multiply
    127,964.52x = 176,583 × 70,604.52
  4. Step 4: Simplify right side
    127,964.52x = 12,467,557,955.16
  5. Step 5: Solve for x
    x = 12,467,557,955.16/127,964.52
  6. Step 6: Final answer
    x = 97,429.80

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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.