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Finding the Fourth Proportional to 180,855.65, 249,530.68 and 104,369.38

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Solution

The fourth proportional to 180,855.65, 249,530.68 and 104,369.38 is: 144,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,855.65 : 249,530.68 = 104,369.38 : x
  2. Step 2: Convert to fraction form
    180,855.65/249,530.68 = 104,369.38/x
  3. Step 3: Cross multiply
    180,855.65x = 249,530.68 × 104,369.38
  4. Step 4: Simplify right side
    180,855.65x = 26,043,361,282.14
  5. Step 5: Solve for x
    x = 26,043,361,282.14/180,855.65
  6. Step 6: Final answer
    x = 144,000.81

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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.