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Finding the Fourth Proportional to 195,140.61, 291,062.09 and 189,234.09

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Solution

The fourth proportional to 195,140.61, 291,062.09 and 189,234.09 is: 282,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,140.61 : 291,062.09 = 189,234.09 : x
  2. Step 2: Convert to fraction form
    195,140.61/291,062.09 = 189,234.09/x
  3. Step 3: Cross multiply
    195,140.61x = 291,062.09 × 189,234.09
  4. Step 4: Simplify right side
    195,140.61x = 55,078,870,207.73
  5. Step 5: Solve for x
    x = 55,078,870,207.73/195,140.61
  6. Step 6: Final answer
    x = 282,252.22

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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.