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Finding the Fourth Proportional to 360,502.12, 540,784.05 and 94,262.21

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Solution

The fourth proportional to 360,502.12, 540,784.05 and 94,262.21 is: 141,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,502.12 : 540,784.05 = 94,262.21 : x
  2. Step 2: Convert to fraction form
    360,502.12/540,784.05 = 94,262.21/x
  3. Step 3: Cross multiply
    360,502.12x = 540,784.05 × 94,262.21
  4. Step 4: Simplify right side
    360,502.12x = 50,975,498,656.29
  5. Step 5: Solve for x
    x = 50,975,498,656.29/360,502.12
  6. Step 6: Final answer
    x = 141,401.38

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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.