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Finding the Fourth Proportional to 64,195.32, 96,276.42 and 19,207.80

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Solution

The fourth proportional to 64,195.32, 96,276.42 and 19,207.80 is: 28,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.32 : 96,276.42 = 19,207.80 : x
  2. Step 2: Convert to fraction form
    64,195.32/96,276.42 = 19,207.80/x
  3. Step 3: Cross multiply
    64,195.32x = 96,276.42 × 19,207.80
  4. Step 4: Simplify right side
    64,195.32x = 1,849,258,220.08
  5. Step 5: Solve for x
    x = 1,849,258,220.08/64,195.32
  6. Step 6: Final answer
    x = 28,806.75

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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.