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Finding the Fourth Proportional to 274,050.76, 378,182.08 and 153,192.28

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Solution

The fourth proportional to 274,050.76, 378,182.08 and 153,192.28 is: 211,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,050.76 : 378,182.08 = 153,192.28 : x
  2. Step 2: Convert to fraction form
    274,050.76/378,182.08 = 153,192.28/x
  3. Step 3: Cross multiply
    274,050.76x = 378,182.08 × 153,192.28
  4. Step 4: Simplify right side
    274,050.76x = 57,934,575,090.34
  5. Step 5: Solve for x
    x = 57,934,575,090.34/274,050.76
  6. Step 6: Final answer
    x = 211,400.89

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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.