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Finding the Fourth Proportional to 159,099.70, 238,649.55 and 133,050.10

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Solution

The fourth proportional to 159,099.70, 238,649.55 and 133,050.10 is: 199,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,099.70 : 238,649.55 = 133,050.10 : x
  2. Step 2: Convert to fraction form
    159,099.70/238,649.55 = 133,050.10/x
  3. Step 3: Cross multiply
    159,099.70x = 238,649.55 × 133,050.10
  4. Step 4: Simplify right side
    159,099.70x = 31,752,346,492.46
  5. Step 5: Solve for x
    x = 31,752,346,492.46/159,099.70
  6. Step 6: Final answer
    x = 199,575.15

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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.