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Finding the Fourth Proportional to 245,549.32, 368,324 and 162,423.88

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Solution

The fourth proportional to 245,549.32, 368,324 and 162,423.88 is: 243,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,549.32 : 368,324 = 162,423.88 : x
  2. Step 2: Convert to fraction form
    245,549.32/368,324 = 162,423.88/x
  3. Step 3: Cross multiply
    245,549.32x = 368,324 × 162,423.88
  4. Step 4: Simplify right side
    245,549.32x = 59,824,613,177.12
  5. Step 5: Solve for x
    x = 59,824,613,177.12/245,549.32
  6. Step 6: Final answer
    x = 243,635.83

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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.