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Finding the Fourth Proportional to 376,525.89, 564,771.56 and 127,210.05

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Solution

The fourth proportional to 376,525.89, 564,771.56 and 127,210.05 is: 190,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,525.89 : 564,771.56 = 127,210.05 : x
  2. Step 2: Convert to fraction form
    376,525.89/564,771.56 = 127,210.05/x
  3. Step 3: Cross multiply
    376,525.89x = 564,771.56 × 127,210.05
  4. Step 4: Simplify right side
    376,525.89x = 71,844,617,750.13
  5. Step 5: Solve for x
    x = 71,844,617,750.13/376,525.89
  6. Step 6: Final answer
    x = 190,809.24

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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.