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Finding the Fourth Proportional to 291,763.02, 437,813.69 and 123,272.45

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Solution

The fourth proportional to 291,763.02, 437,813.69 and 123,272.45 is: 184,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,763.02 : 437,813.69 = 123,272.45 : x
  2. Step 2: Convert to fraction form
    291,763.02/437,813.69 = 123,272.45/x
  3. Step 3: Cross multiply
    291,763.02x = 437,813.69 × 123,272.45
  4. Step 4: Simplify right side
    291,763.02x = 53,970,363,404.41
  5. Step 5: Solve for x
    x = 53,970,363,404.41/291,763.02
  6. Step 6: Final answer
    x = 184,980.14

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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.