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Finding the Fourth Proportional to 356,391.07, 534,666.38 and 119,727.29

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Solution

The fourth proportional to 356,391.07, 534,666.38 and 119,727.29 is: 179,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,391.07 : 534,666.38 = 119,727.29 : x
  2. Step 2: Convert to fraction form
    356,391.07/534,666.38 = 119,727.29/x
  3. Step 3: Cross multiply
    356,391.07x = 534,666.38 × 119,727.29
  4. Step 4: Simplify right side
    356,391.07x = 64,014,156,731.51
  5. Step 5: Solve for x
    x = 64,014,156,731.51/356,391.07
  6. Step 6: Final answer
    x = 179,617.74

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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.