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Finding the Fourth Proportional to 178,146.72, 265,882.11 and 154,024.32

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Solution

The fourth proportional to 178,146.72, 265,882.11 and 154,024.32 is: 229,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,146.72 : 265,882.11 = 154,024.32 : x
  2. Step 2: Convert to fraction form
    178,146.72/265,882.11 = 154,024.32/x
  3. Step 3: Cross multiply
    178,146.72x = 265,882.11 × 154,024.32
  4. Step 4: Simplify right side
    178,146.72x = 40,952,311,192.92
  5. Step 5: Solve for x
    x = 40,952,311,192.92/178,146.72
  6. Step 6: Final answer
    x = 229,879.68

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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.