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Finding the Fourth Proportional to 178,305.18, 265,863.68 and 173,406.30

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Solution

The fourth proportional to 178,305.18, 265,863.68 and 173,406.30 is: 258,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,305.18 : 265,863.68 = 173,406.30 : x
  2. Step 2: Convert to fraction form
    178,305.18/265,863.68 = 173,406.30/x
  3. Step 3: Cross multiply
    178,305.18x = 265,863.68 × 173,406.30
  4. Step 4: Simplify right side
    178,305.18x = 46,102,436,186.15
  5. Step 5: Solve for x
    x = 46,102,436,186.15/178,305.18
  6. Step 6: Final answer
    x = 258,559.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.