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Finding the Fourth Proportional to 251,136.86, 346,568.60 and 136,415.59

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Solution

The fourth proportional to 251,136.86, 346,568.60 and 136,415.59 is: 188,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,136.86 : 346,568.60 = 136,415.59 : x
  2. Step 2: Convert to fraction form
    251,136.86/346,568.60 = 136,415.59/x
  3. Step 3: Cross multiply
    251,136.86x = 346,568.60 × 136,415.59
  4. Step 4: Simplify right side
    251,136.86x = 47,277,358,460.11
  5. Step 5: Solve for x
    x = 47,277,358,460.11/251,136.86
  6. Step 6: Final answer
    x = 188,253.37

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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.