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Finding the Fourth Proportional to 322,768.01, 484,065.52 and 98,068.11

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Solution

The fourth proportional to 322,768.01, 484,065.52 and 98,068.11 is: 147,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,768.01 : 484,065.52 = 98,068.11 : x
  2. Step 2: Convert to fraction form
    322,768.01/484,065.52 = 98,068.11/x
  3. Step 3: Cross multiply
    322,768.01x = 484,065.52 × 98,068.11
  4. Step 4: Simplify right side
    322,768.01x = 47,471,391,006.18
  5. Step 5: Solve for x
    x = 47,471,391,006.18/322,768.01
  6. Step 6: Final answer
    x = 147,075.89

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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.