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Finding the Fourth Proportional to 172,559.92, 238,177.04 and 134,310.64

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Solution

The fourth proportional to 172,559.92, 238,177.04 and 134,310.64 is: 185,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,559.92 : 238,177.04 = 134,310.64 : x
  2. Step 2: Convert to fraction form
    172,559.92/238,177.04 = 134,310.64/x
  3. Step 3: Cross multiply
    172,559.92x = 238,177.04 × 134,310.64
  4. Step 4: Simplify right side
    172,559.92x = 31,989,710,675.71
  5. Step 5: Solve for x
    x = 31,989,710,675.71/172,559.92
  6. Step 6: Final answer
    x = 185,383.20

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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.