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Finding the Fourth Proportional to 250,769.34, 346,060.62 and 137,589.66

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Solution

The fourth proportional to 250,769.34, 346,060.62 and 137,589.66 is: 189,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,769.34 : 346,060.62 = 137,589.66 : x
  2. Step 2: Convert to fraction form
    250,769.34/346,060.62 = 137,589.66/x
  3. Step 3: Cross multiply
    250,769.34x = 346,060.62 × 137,589.66
  4. Step 4: Simplify right side
    250,769.34x = 47,614,363,045.19
  5. Step 5: Solve for x
    x = 47,614,363,045.19/250,769.34
  6. Step 6: Final answer
    x = 189,873.14

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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.