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Finding the Fourth Proportional to 331,720.47, 497,597.72 and 95,065.20

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Solution

The fourth proportional to 331,720.47, 497,597.72 and 95,065.20 is: 142,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,720.47 : 497,597.72 = 95,065.20 : x
  2. Step 2: Convert to fraction form
    331,720.47/497,597.72 = 95,065.20/x
  3. Step 3: Cross multiply
    331,720.47x = 497,597.72 × 95,065.20
  4. Step 4: Simplify right side
    331,720.47x = 47,304,226,296.02
  5. Step 5: Solve for x
    x = 47,304,226,296.02/331,720.47
  6. Step 6: Final answer
    x = 142,602.67

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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.