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Finding the Fourth Proportional to 247,075.74, 340,964.82 and 133,898.49

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Solution

The fourth proportional to 247,075.74, 340,964.82 and 133,898.49 is: 184,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,075.74 : 340,964.82 = 133,898.49 : x
  2. Step 2: Convert to fraction form
    247,075.74/340,964.82 = 133,898.49/x
  3. Step 3: Cross multiply
    247,075.74x = 340,964.82 × 133,898.49
  4. Step 4: Simplify right side
    247,075.74x = 45,654,674,541.12
  5. Step 5: Solve for x
    x = 45,654,674,541.12/247,075.74
  6. Step 6: Final answer
    x = 184,780.08

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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.