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Finding the Fourth Proportional to 251,256.13, 346,788.14 and 154,543.14

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Solution

The fourth proportional to 251,256.13, 346,788.14 and 154,543.14 is: 213,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,256.13 : 346,788.14 = 154,543.14 : x
  2. Step 2: Convert to fraction form
    251,256.13/346,788.14 = 154,543.14/x
  3. Step 3: Cross multiply
    251,256.13x = 346,788.14 × 154,543.14
  4. Step 4: Simplify right side
    251,256.13x = 53,593,727,297.64
  5. Step 5: Solve for x
    x = 53,593,727,297.64/251,256.13
  6. Step 6: Final answer
    x = 213,303.17

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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.