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Finding the Fourth Proportional to 116,132.40, 174,376.80 and 63,644.40

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Solution

The fourth proportional to 116,132.40, 174,376.80 and 63,644.40 is: 95,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,132.40 : 174,376.80 = 63,644.40 : x
  2. Step 2: Convert to fraction form
    116,132.40/174,376.80 = 63,644.40/x
  3. Step 3: Cross multiply
    116,132.40x = 174,376.80 × 63,644.40
  4. Step 4: Simplify right side
    116,132.40x = 11,098,106,809.92
  5. Step 5: Solve for x
    x = 11,098,106,809.92/116,132.40
  6. Step 6: Final answer
    x = 95,564.26

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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.