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Finding the Fourth Proportional to 127,463.76, 175,896.27 and 70,103.01

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Solution

The fourth proportional to 127,463.76, 175,896.27 and 70,103.01 is: 96,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,463.76 : 175,896.27 = 70,103.01 : x
  2. Step 2: Convert to fraction form
    127,463.76/175,896.27 = 70,103.01/x
  3. Step 3: Cross multiply
    127,463.76x = 175,896.27 × 70,103.01
  4. Step 4: Simplify right side
    127,463.76x = 12,330,857,974.77
  5. Step 5: Solve for x
    x = 12,330,857,974.77/127,463.76
  6. Step 6: Final answer
    x = 96,740.11

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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.