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Finding the Fourth Proportional to 79,283.16, 118,925.40 and 63,448.80

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Solution

The fourth proportional to 79,283.16, 118,925.40 and 63,448.80 is: 95,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.16 : 118,925.40 = 63,448.80 : x
  2. Step 2: Convert to fraction form
    79,283.16/118,925.40 = 63,448.80/x
  3. Step 3: Cross multiply
    79,283.16x = 118,925.40 × 63,448.80
  4. Step 4: Simplify right side
    79,283.16x = 7,545,673,919.52
  5. Step 5: Solve for x
    x = 7,545,673,919.52/79,283.16
  6. Step 6: Final answer
    x = 95,173.73

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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.