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Finding the Fourth Proportional to 336,720.66, 505,068.68 and 100,057.19

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Solution

The fourth proportional to 336,720.66, 505,068.68 and 100,057.19 is: 150,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,720.66 : 505,068.68 = 100,057.19 : x
  2. Step 2: Convert to fraction form
    336,720.66/505,068.68 = 100,057.19/x
  3. Step 3: Cross multiply
    336,720.66x = 505,068.68 × 100,057.19
  4. Step 4: Simplify right side
    336,720.66x = 50,535,750,602.61
  5. Step 5: Solve for x
    x = 50,535,750,602.61/336,720.66
  6. Step 6: Final answer
    x = 150,082.12

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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.