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Finding the Fourth Proportional to 251,341.38, 346,849.38 and 136,617.17

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Solution

The fourth proportional to 251,341.38, 346,849.38 and 136,617.17 is: 188,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,341.38 : 346,849.38 = 136,617.17 : x
  2. Step 2: Convert to fraction form
    251,341.38/346,849.38 = 136,617.17/x
  3. Step 3: Cross multiply
    251,341.38x = 346,849.38 × 136,617.17
  4. Step 4: Simplify right side
    251,341.38x = 47,385,578,977.61
  5. Step 5: Solve for x
    x = 47,385,578,977.61/251,341.38
  6. Step 6: Final answer
    x = 188,530.75

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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.