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Finding the Fourth Proportional to 224,905.68, 310,389.60 and 124,323.12

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Solution

The fourth proportional to 224,905.68, 310,389.60 and 124,323.12 is: 171,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,905.68 : 310,389.60 = 124,323.12 : x
  2. Step 2: Convert to fraction form
    224,905.68/310,389.60 = 124,323.12/x
  3. Step 3: Cross multiply
    224,905.68x = 310,389.60 × 124,323.12
  4. Step 4: Simplify right side
    224,905.68x = 38,588,603,487.55
  5. Step 5: Solve for x
    x = 38,588,603,487.55/224,905.68
  6. Step 6: Final answer
    x = 171,576.83

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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.