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Finding the Fourth Proportional to 360,011.88, 540,094.20 and 123,291

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Solution

The fourth proportional to 360,011.88, 540,094.20 and 123,291 is: 184,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,011.88 : 540,094.20 = 123,291 : x
  2. Step 2: Convert to fraction form
    360,011.88/540,094.20 = 123,291/x
  3. Step 3: Cross multiply
    360,011.88x = 540,094.20 × 123,291
  4. Step 4: Simplify right side
    360,011.88x = 66,588,754,012.20
  5. Step 5: Solve for x
    x = 66,588,754,012.20/360,011.88
  6. Step 6: Final answer
    x = 184,962.66

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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.