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Finding the Fourth Proportional to 171,601.39, 236,825.54 and 103,652.11

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Solution

The fourth proportional to 171,601.39, 236,825.54 and 103,652.11 is: 143,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,601.39 : 236,825.54 = 103,652.11 : x
  2. Step 2: Convert to fraction form
    171,601.39/236,825.54 = 103,652.11/x
  3. Step 3: Cross multiply
    171,601.39x = 236,825.54 × 103,652.11
  4. Step 4: Simplify right side
    171,601.39x = 24,547,466,922.89
  5. Step 5: Solve for x
    x = 24,547,466,922.89/171,601.39
  6. Step 6: Final answer
    x = 143,049.35

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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.