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Finding the Fourth Proportional to 369,082.80, 553,624.56 and 102,844.08

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Solution

The fourth proportional to 369,082.80, 553,624.56 and 102,844.08 is: 154,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,082.80 : 553,624.56 = 102,844.08 : x
  2. Step 2: Convert to fraction form
    369,082.80/553,624.56 = 102,844.08/x
  3. Step 3: Cross multiply
    369,082.80x = 553,624.56 × 102,844.08
  4. Step 4: Simplify right side
    369,082.80x = 56,937,008,538.60
  5. Step 5: Solve for x
    x = 56,937,008,538.60/369,082.80
  6. Step 6: Final answer
    x = 154,266.22

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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.