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Finding the Fourth Proportional to 378,263.06, 567,393.57 and 112,044.34

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Solution

The fourth proportional to 378,263.06, 567,393.57 and 112,044.34 is: 168,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,263.06 : 567,393.57 = 112,044.34 : x
  2. Step 2: Convert to fraction form
    378,263.06/567,393.57 = 112,044.34/x
  3. Step 3: Cross multiply
    378,263.06x = 567,393.57 × 112,044.34
  4. Step 4: Simplify right side
    378,263.06x = 63,573,237,341.90
  5. Step 5: Solve for x
    x = 63,573,237,341.90/378,263.06
  6. Step 6: Final answer
    x = 168,066.20

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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.