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Finding the Fourth Proportional to 291,860.61, 437,959.73 and 123,370.03

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Solution

The fourth proportional to 291,860.61, 437,959.73 and 123,370.03 is: 185,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,860.61 : 437,959.73 = 123,370.03 : x
  2. Step 2: Convert to fraction form
    291,860.61/437,959.73 = 123,370.03/x
  3. Step 3: Cross multiply
    291,860.61x = 437,959.73 × 123,370.03
  4. Step 4: Simplify right side
    291,860.61x = 54,031,105,028.89
  5. Step 5: Solve for x
    x = 54,031,105,028.89/291,860.61
  6. Step 6: Final answer
    x = 185,126.40

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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.