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Finding the Fourth Proportional to 245,549.64, 338,568.66 and 168,062.64

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Solution

The fourth proportional to 245,549.64, 338,568.66 and 168,062.64 is: 231,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,549.64 : 338,568.66 = 168,062.64 : x
  2. Step 2: Convert to fraction form
    245,549.64/338,568.66 = 168,062.64/x
  3. Step 3: Cross multiply
    245,549.64x = 338,568.66 × 168,062.64
  4. Step 4: Simplify right side
    245,549.64x = 56,900,742,820.86
  5. Step 5: Solve for x
    x = 56,900,742,820.86/245,549.64
  6. Step 6: Final answer
    x = 231,728.06

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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.