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Finding the Fourth Proportional to 178,700.34, 246,345.99 and 127,622.97

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Solution

The fourth proportional to 178,700.34, 246,345.99 and 127,622.97 is: 175,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,700.34 : 246,345.99 = 127,622.97 : x
  2. Step 2: Convert to fraction form
    178,700.34/246,345.99 = 127,622.97/x
  3. Step 3: Cross multiply
    178,700.34x = 246,345.99 × 127,622.97
  4. Step 4: Simplify right side
    178,700.34x = 31,439,406,891.39
  5. Step 5: Solve for x
    x = 31,439,406,891.39/178,700.34
  6. Step 6: Final answer
    x = 175,933.67

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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.