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Finding the Fourth Proportional to 163,394.16, 245,062.08 and 43,451.79

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Solution

The fourth proportional to 163,394.16, 245,062.08 and 43,451.79 is: 65,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,394.16 : 245,062.08 = 43,451.79 : x
  2. Step 2: Convert to fraction form
    163,394.16/245,062.08 = 43,451.79/x
  3. Step 3: Cross multiply
    163,394.16x = 245,062.08 × 43,451.79
  4. Step 4: Simplify right side
    163,394.16x = 10,648,386,037.12
  5. Step 5: Solve for x
    x = 10,648,386,037.12/163,394.16
  6. Step 6: Final answer
    x = 65,169.93

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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.