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Finding the Fourth Proportional to 194,326.80, 291,490.20 and 89,350.80

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Solution

The fourth proportional to 194,326.80, 291,490.20 and 89,350.80 is: 134,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,326.80 : 291,490.20 = 89,350.80 : x
  2. Step 2: Convert to fraction form
    194,326.80/291,490.20 = 89,350.80/x
  3. Step 3: Cross multiply
    194,326.80x = 291,490.20 × 89,350.80
  4. Step 4: Simplify right side
    194,326.80x = 26,044,882,562.16
  5. Step 5: Solve for x
    x = 26,044,882,562.16/194,326.80
  6. Step 6: Final answer
    x = 134,026.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.