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Finding the Fourth Proportional to 330,176.93, 495,241.16 and 105,477.03

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Solution

The fourth proportional to 330,176.93, 495,241.16 and 105,477.03 is: 158,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,176.93 : 495,241.16 = 105,477.03 : x
  2. Step 2: Convert to fraction form
    330,176.93/495,241.16 = 105,477.03/x
  3. Step 3: Cross multiply
    330,176.93x = 495,241.16 × 105,477.03
  4. Step 4: Simplify right side
    330,176.93x = 52,236,566,163.17
  5. Step 5: Solve for x
    x = 52,236,566,163.17/330,176.93
  6. Step 6: Final answer
    x = 158,207.80

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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.