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Finding the Fourth Proportional to 224,808.78, 310,380.75 and 144,271.02

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Solution

The fourth proportional to 224,808.78, 310,380.75 and 144,271.02 is: 199,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,808.78 : 310,380.75 = 144,271.02 : x
  2. Step 2: Convert to fraction form
    224,808.78/310,380.75 = 144,271.02/x
  3. Step 3: Cross multiply
    224,808.78x = 310,380.75 × 144,271.02
  4. Step 4: Simplify right side
    224,808.78x = 44,778,947,390.87
  5. Step 5: Solve for x
    x = 44,778,947,390.87/224,808.78
  6. Step 6: Final answer
    x = 199,186.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.