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Finding the Fourth Proportional to 315,649.04, 473,662.22 and 115,989.62

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Solution

The fourth proportional to 315,649.04, 473,662.22 and 115,989.62 is: 174,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,649.04 : 473,662.22 = 115,989.62 : x
  2. Step 2: Convert to fraction form
    315,649.04/473,662.22 = 115,989.62/x
  3. Step 3: Cross multiply
    315,649.04x = 473,662.22 × 115,989.62
  4. Step 4: Simplify right side
    315,649.04x = 54,939,897,957.90
  5. Step 5: Solve for x
    x = 54,939,897,957.90/315,649.04
  6. Step 6: Final answer
    x = 174,053.75

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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.