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Finding the Fourth Proportional to 224,108.81, 309,270.14 and 123,506.81

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Solution

The fourth proportional to 224,108.81, 309,270.14 and 123,506.81 is: 170,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,108.81 : 309,270.14 = 123,506.81 : x
  2. Step 2: Convert to fraction form
    224,108.81/309,270.14 = 123,506.81/x
  3. Step 3: Cross multiply
    224,108.81x = 309,270.14 × 123,506.81
  4. Step 4: Simplify right side
    224,108.81x = 38,196,966,873.30
  5. Step 5: Solve for x
    x = 38,196,966,873.30/224,108.81
  6. Step 6: Final answer
    x = 170,439.38

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1.5x scale

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.