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Finding the Fourth Proportional to 251,138.53, 346,569.52 and 136,416.13

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Solution

The fourth proportional to 251,138.53, 346,569.52 and 136,416.13 is: 188,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,138.53 : 346,569.52 = 136,416.13 : x
  2. Step 2: Convert to fraction form
    251,138.53/346,569.52 = 136,416.13/x
  3. Step 3: Cross multiply
    251,138.53x = 346,569.52 × 136,416.13
  4. Step 4: Simplify right side
    251,138.53x = 47,277,672,694.36
  5. Step 5: Solve for x
    x = 47,277,672,694.36/251,138.53
  6. Step 6: Final answer
    x = 188,253.36

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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.