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Finding the Fourth Proportional to 236,553.64, 354,941.16 and 103,416.64

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Solution

The fourth proportional to 236,553.64, 354,941.16 and 103,416.64 is: 155,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,553.64 : 354,941.16 = 103,416.64 : x
  2. Step 2: Convert to fraction form
    236,553.64/354,941.16 = 103,416.64/x
  3. Step 3: Cross multiply
    236,553.64x = 354,941.16 × 103,416.64
  4. Step 4: Simplify right side
    236,553.64x = 36,706,822,164.90
  5. Step 5: Solve for x
    x = 36,706,822,164.90/236,553.64
  6. Step 6: Final answer
    x = 155,173.36

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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.