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Finding the Fourth Proportional to 488,114.28, 732,096.18 and 133,157.16

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Solution

The fourth proportional to 488,114.28, 732,096.18 and 133,157.16 is: 199,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,114.28 : 732,096.18 = 133,157.16 : x
  2. Step 2: Convert to fraction form
    488,114.28/732,096.18 = 133,157.16/x
  3. Step 3: Cross multiply
    488,114.28x = 732,096.18 × 133,157.16
  4. Step 4: Simplify right side
    488,114.28x = 97,483,848,175.65
  5. Step 5: Solve for x
    x = 97,483,848,175.65/488,114.28
  6. Step 6: Final answer
    x = 199,715.21

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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.