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Finding the Fourth Proportional to 291,167.73, 436,751.73 and 166,421.25

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Solution

The fourth proportional to 291,167.73, 436,751.73 and 166,421.25 is: 249,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,167.73 : 436,751.73 = 166,421.25 : x
  2. Step 2: Convert to fraction form
    291,167.73/436,751.73 = 166,421.25/x
  3. Step 3: Cross multiply
    291,167.73x = 436,751.73 × 166,421.25
  4. Step 4: Simplify right side
    291,167.73x = 72,684,768,846.26
  5. Step 5: Solve for x
    x = 72,684,768,846.26/291,167.73
  6. Step 6: Final answer
    x = 249,631.95

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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.