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Finding the Fourth Proportional to 488,048.85, 732,051.72 and 133,062.90

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Solution

The fourth proportional to 488,048.85, 732,051.72 and 133,062.90 is: 199,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,048.85 : 732,051.72 = 133,062.90 : x
  2. Step 2: Convert to fraction form
    488,048.85/732,051.72 = 133,062.90/x
  3. Step 3: Cross multiply
    488,048.85x = 732,051.72 × 133,062.90
  4. Step 4: Simplify right side
    488,048.85x = 97,408,924,813.19
  5. Step 5: Solve for x
    x = 97,408,924,813.19/488,048.85
  6. Step 6: Final answer
    x = 199,588.47

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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.