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Finding the Fourth Proportional to 116,493.20, 174,869.40 and 64,005.20

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Solution

The fourth proportional to 116,493.20, 174,869.40 and 64,005.20 is: 96,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,493.20 : 174,869.40 = 64,005.20 : x
  2. Step 2: Convert to fraction form
    116,493.20/174,869.40 = 64,005.20/x
  3. Step 3: Cross multiply
    116,493.20x = 174,869.40 × 64,005.20
  4. Step 4: Simplify right side
    116,493.20x = 11,192,550,920.88
  5. Step 5: Solve for x
    x = 11,192,550,920.88/116,493.20
  6. Step 6: Final answer
    x = 96,079.01

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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.