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Finding the Fourth Proportional to 346,099.88, 519,233.36 and 129,960.37

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Solution

The fourth proportional to 346,099.88, 519,233.36 and 129,960.37 is: 194,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,099.88 : 519,233.36 = 129,960.37 : x
  2. Step 2: Convert to fraction form
    346,099.88/519,233.36 = 129,960.37/x
  3. Step 3: Cross multiply
    346,099.88x = 519,233.36 × 129,960.37
  4. Step 4: Simplify right side
    346,099.88x = 67,479,759,581.94
  5. Step 5: Solve for x
    x = 67,479,759,581.94/346,099.88
  6. Step 6: Final answer
    x = 194,971.92

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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.